diff --git a/doc/_themes/sphinx_rtd_theme/breadcrumbs.html b/doc/_themes/sphinx_rtd_theme/breadcrumbs.html
index 3e4f359c..d9b29371 100644
--- a/doc/_themes/sphinx_rtd_theme/breadcrumbs.html
+++ b/doc/_themes/sphinx_rtd_theme/breadcrumbs.html
@@ -1,15 +1,19 @@
-<ul class="wy-breadcrumbs">
-  <li><a href="{{ pathto(master_doc) }}">Docs</a> &raquo;</li>
-  <li><a href="">{{ title }}</a></li>
-    <li class="wy-breadcrumbs-aside">
-      {% if display_github %}
-        <a href="https://github.com/{{ github_user }}/{{ github_repo }}/blob/{{ github_version }}{{ conf_py_path }}{{ pagename }}.rst" class="icon icon-github"> Edit on GitHub</a>
-      {% elif display_bitbucket %}
-        <a href="https://bitbucket.org/{{ bitbucket_user }}/{{ bitbucket_repo }}/src/{{ bitbucket_version}}{{ conf_py_path }}{{ pagename }}.rst'" class="icon icon-bitbucket"> Edit on Bitbucket</a>
-      {% elif show_source and has_source and sourcename %}
-        <a href="{{ pathto('_sources/' + sourcename, true)|e }}" rel="nofollow"> View page source</a>
-      {% endif %}
-    </li>
-</ul>
-<hr/>
-
+<div role="navigation" aria-label="breadcrumbs navigation">
+  <ul class="wy-breadcrumbs">
+    <li><a href="{{ pathto(master_doc) }}">Docs</a> &raquo;</li>
+      {% for doc in parents %}
+          <li><a href="{{ doc.link|e }}">{{ doc.title }}</a> &raquo;</li>
+      {% endfor %}
+    <li>{{ title }}</li>
+      <li class="wy-breadcrumbs-aside">
+        {% if display_github %}
+          <a href="https://github.com/{{ github_user }}/{{ github_repo }}/blob/{{ github_version }}{{ conf_py_path }}{{ pagename }}.rst" class="fa fa-github"> Edit on GitHub</a>
+        {% elif display_bitbucket %}
+          <a href="https://bitbucket.org/{{ bitbucket_user }}/{{ bitbucket_repo }}/src/{{ bitbucket_version}}{{ conf_py_path }}{{ pagename }}.rst" class="fa fa-bitbucket"> Edit on Bitbucket</a>
+        {% elif show_source and has_source and sourcename %}
+          <a href="{{ pathto('_sources/' + sourcename, true)|e }}" rel="nofollow"> View page source</a>
+        {% endif %}
+      </li>
+  </ul>
+  <hr/>
+</div>
diff --git a/doc/_themes/sphinx_rtd_theme/footer.html b/doc/_themes/sphinx_rtd_theme/footer.html
index e42d753f..8d9d830a 100644
--- a/doc/_themes/sphinx_rtd_theme/footer.html
+++ b/doc/_themes/sphinx_rtd_theme/footer.html
@@ -1,30 +1,32 @@
 <footer>
   {% if next or prev %}
-    <div class="rst-footer-buttons">
+    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
       {% if next %}
-        <a href="{{ next.link|e }}" class="btn btn-neutral float-right" title="{{ next.title|striptags|e }}"/>Next <span class="icon icon-circle-arrow-right"></span></a>
+        <a href="{{ next.link|e }}" class="btn btn-neutral float-right" title="{{ next.title|striptags|e }}"/>Next <span class="fa fa-circle-arrow-right"></span></a>
       {% endif %}
       {% if prev %}
-        <a href="{{ prev.link|e }}" class="btn btn-neutral" title="{{ prev.title|striptags|e }}"><span class="icon icon-circle-arrow-left"></span> Previous</a>
+        <a href="{{ prev.link|e }}" class="btn btn-neutral" title="{{ prev.title|striptags|e }}"><span class="fa fa-circle-arrow-left"></span> Previous</a>
       {% endif %}
     </div>
   {% endif %}
 
   <hr/>
 
-  <p>
-  {%- if show_copyright %}
-    {%- if hasdoc('copyright') %}
-      {% trans path=pathto('copyright'), copyright=copyright|e %}&copy; <a href="{{ path }}">Copyright</a> {{ copyright }}.{% endtrans %}
-    {%- else %}
-      {% trans copyright=copyright|e %}&copy; Copyright {{ copyright }}.{% endtrans %}
+  <div role="contentinfo">
+    <p>
+    {%- if show_copyright %}
+      {%- if hasdoc('copyright') %}
+        {% trans path=pathto('copyright'), copyright=copyright|e %}&copy; <a href="{{ path }}">Copyright</a> {{ copyright }}.{% endtrans %}
+      {%- else %}
+        {% trans copyright=copyright|e %}&copy; Copyright {{ copyright }}.{% endtrans %}
+      {%- endif %}
     {%- endif %}
-  {%- endif %}
 
-  {%- if last_updated %}
-    {% trans last_updated=last_updated|e %}Last updated on {{ last_updated }}.{% endtrans %}
-  {%- endif %}
-  </p>
+    {%- if last_updated %}
+      {% trans last_updated=last_updated|e %}Last updated on {{ last_updated }}.{% endtrans %}
+    {%- endif %}
+    </p>
+  </div>
 
-  {% trans %}<a href="https://www.github.com/snide/sphinx_rtd_theme">Sphinx theme</a> provided by <a href="http://readthedocs.org">Read the Docs</a>{% endtrans %}
+  {% trans %}<a href="https://github.com/snide/sphinx_rtd_theme">Sphinx theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>{% endtrans %}
 </footer>
diff --git a/doc/_themes/sphinx_rtd_theme/layout.html b/doc/_themes/sphinx_rtd_theme/layout.html
index 0314a802..9100b150 100644
--- a/doc/_themes/sphinx_rtd_theme/layout.html
+++ b/doc/_themes/sphinx_rtd_theme/layout.html
@@ -50,7 +50,16 @@
   {# RTD hosts these file themselves, so just load on non RTD builds #}
   {% if not READTHEDOCS %}
     <link rel="stylesheet" href="{{ pathto('_static/' + style, 1) }}" type="text/css" />
-    <script type="text/javascript" src="_static/js/theme.js"></script>
+    <script type="text/javascript" src="{{ pathto('_static/js/theme.js', 1) }}"></script>
+  {% endif %}
+
+  {# STICKY NAVIGATION #}
+  {% if theme_sticky_navigation %}
+    <script type="text/javascript">
+        jQuery(function () {
+            SphinxRtdTheme.StickyNav.enable();
+        });
+    </script>
   {% endif %}
 
   {% for cssfile in css_files %}
@@ -85,22 +94,22 @@
   {%- endblock %}
   {%- block extrahead %} {% endblock %}
 
-  <script src="//cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js"></script>
 
 </head>
 
-<body class="wy-body-for-nav">
+<body class="wy-body-for-nav" role="document">
 
   <div class="wy-grid-for-nav">
 
     {# SIDE NAV, TOGGLES ON MOBILE #}
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-nav-search">
-        <a href="{{ pathto(master_doc) }}" class="icon icon-home"> {{ project }}</a>
+        <a href="{{ pathto(master_doc) }}" class="fa fa-home"> {{ project }}</a>
         {% include "searchbox.html" %}
       </div>
 
-      <div class="wy-menu wy-menu-vertical" data-spy="affix">
+      <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
         {% set toctree = toctree(maxdepth=2, collapse=False, includehidden=True) %}
         {% if toctree %}
             {{ toctree }}
@@ -115,8 +124,8 @@
     <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
 
       {# MOBILE NAV, TRIGGLES SIDE NAV ON TOGGLE #}
-      <nav class="wy-nav-top">
-        <i data-toggle="wy-nav-top" class="icon icon-reorder"></i>
+      <nav class="wy-nav-top" role="navigation" aria-label="top navigation">
+        <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
         <a href="{{ pathto(master_doc) }}">{{ project }}</a>
       </nav>
 
@@ -125,7 +134,9 @@
       <div class="wy-nav-content">
         <div class="rst-content">
           {% include "breadcrumbs.html" %}
-          {% block body %}{% endblock %}
+          <div role="main">
+            {% block body %}{% endblock %}
+          </div>
           {% include "footer.html" %}
         </div>
       </div>
diff --git a/doc/_themes/sphinx_rtd_theme/searchbox.html b/doc/_themes/sphinx_rtd_theme/searchbox.html
index f62545ea..24418d32 100644
--- a/doc/_themes/sphinx_rtd_theme/searchbox.html
+++ b/doc/_themes/sphinx_rtd_theme/searchbox.html
@@ -1,5 +1,7 @@
-<form id ="rtd-search-form" class="wy-form" action="{{ pathto('search') }}" method="get">
-  <input type="text" name="q" placeholder="Search docs" />
-  <input type="hidden" name="check_keywords" value="yes" />
-  <input type="hidden" name="area" value="default" />
-</form>
+<div role="search">
+  <form id ="rtd-search-form" class="wy-form" action="{{ pathto('search') }}" method="get">
+    <input type="text" name="q" placeholder="Search docs" />
+    <input type="hidden" name="check_keywords" value="yes" />
+    <input type="hidden" name="area" value="default" />
+  </form>
+</div>
diff --git a/doc/_themes/sphinx_rtd_theme/static/css/badge_only.css b/doc/_themes/sphinx_rtd_theme/static/css/badge_only.css
index 7fccc414..c8235ac2 100644
--- a/doc/_themes/sphinx_rtd_theme/static/css/badge_only.css
+++ b/doc/_themes/sphinx_rtd_theme/static/css/badge_only.css
@@ -1 +1 @@
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diff --git a/doc/_themes/sphinx_rtd_theme/static/css/theme.css b/doc/_themes/sphinx_rtd_theme/static/css/theme.css
index a37f8d8c..36b8a8a6 100644
--- a/doc/_themes/sphinx_rtd_theme/static/css/theme.css
+++ b/doc/_themes/sphinx_rtd_theme/static/css/theme.css
@@ -1 +1,4 @@
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diff --git a/doc/_themes/sphinx_rtd_theme/static/js/theme.js b/doc/_themes/sphinx_rtd_theme/static/js/theme.js
index 58e514c0..60520cc3 100644
--- a/doc/_themes/sphinx_rtd_theme/static/js/theme.js
+++ b/doc/_themes/sphinx_rtd_theme/static/js/theme.js
@@ -1,16 +1,47 @@
 $( document ).ready(function() {
-  // Shift nav in mobile when clicking the menu.
-  $("[data-toggle='wy-nav-top']").click(function() {
-    $("[data-toggle='wy-nav-shift']").toggleClass("shift");
-    $("[data-toggle='rst-versions']").toggleClass("shift");
-  });
-  // Close menu when you click a link.
-  $(".wy-menu-vertical .current ul li a").click(function() {
-    $("[data-toggle='wy-nav-shift']").removeClass("shift");
-    $("[data-toggle='rst-versions']").toggleClass("shift");
-  });
-  $("[data-toggle='rst-current-version']").click(function() {
-    $("[data-toggle='rst-versions']").toggleClass("shift-up");
-  });
-  $("table.docutils:not(.field-list").wrap("<div class='wy-table-responsive'></div>");
+    // Shift nav in mobile when clicking the menu.
+    $(document).on('click', "[data-toggle='wy-nav-top']", function() {
+      $("[data-toggle='wy-nav-shift']").toggleClass("shift");
+      $("[data-toggle='rst-versions']").toggleClass("shift");
+    });
+    // Close menu when you click a link.
+    $(document).on('click', ".wy-menu-vertical .current ul li a", function() {
+      $("[data-toggle='wy-nav-shift']").removeClass("shift");
+      $("[data-toggle='rst-versions']").toggleClass("shift");
+    });
+    $(document).on('click', "[data-toggle='rst-current-version']", function() {
+      $("[data-toggle='rst-versions']").toggleClass("shift-up");
+    });  
+    // Make tables responsive
+    $("table.docutils:not(.field-list)").wrap("<div class='wy-table-responsive'></div>");
 });
+
+window.SphinxRtdTheme = (function (jquery) {
+    var stickyNav = (function () {
+        var navBar,
+            win,
+            stickyNavCssClass = 'stickynav',
+            applyStickNav = function () {
+                if (navBar.height() <= win.height()) {
+                    navBar.addClass(stickyNavCssClass);
+                } else {
+                    navBar.removeClass(stickyNavCssClass);
+                }
+            },
+            enable = function () {
+                applyStickNav();
+                win.on('resize', applyStickNav);
+            },
+            init = function () {
+                navBar = jquery('nav.wy-nav-side:first');
+                win    = jquery(window);
+            };
+        jquery(init);
+        return {
+            enable : enable
+        };
+    }());
+    return {
+        StickyNav : stickyNav
+    };
+}($));
diff --git a/doc/_themes/sphinx_rtd_theme/theme.conf b/doc/_themes/sphinx_rtd_theme/theme.conf
index d70cf98f..dcfbf8c2 100644
--- a/doc/_themes/sphinx_rtd_theme/theme.conf
+++ b/doc/_themes/sphinx_rtd_theme/theme.conf
@@ -5,3 +5,4 @@ stylesheet = css/theme.css
 [options]
 typekit_id = hiw1hhg
 analytics_id = 
+sticky_navigation = False
diff --git a/doc/_themes/sphinx_rtd_theme/versions.html b/doc/_themes/sphinx_rtd_theme/versions.html
index 93319be8..8b3eb79d 100644
--- a/doc/_themes/sphinx_rtd_theme/versions.html
+++ b/doc/_themes/sphinx_rtd_theme/versions.html
@@ -1,10 +1,10 @@
 {% if READTHEDOCS %}
 {# Add rst-badge after rst-versions for small badge style. #}
-  <div class="rst-versions" data-toggle="rst-versions">
+  <div class="rst-versions" data-toggle="rst-versions" role="note" aria-label="versions">
     <span class="rst-current-version" data-toggle="rst-current-version">
-      <span class="icon icon-book"> Read the Docs</span>
-      v: {{ current_version }} 
-      <span class="icon icon-caret-down"></span>
+      <span class="fa fa-book"> Read the Docs</span>
+      v: {{ current_version }}
+      <span class="fa fa-caret-down"></span>
     </span>
     <div class="rst-other-versions">
       <dl>