Update subprojects options and version

Now no longer builds libagg examples applications neither Lua's
interpreter and bytecode compiler. Only the static libraries are built.

meson.build

@@ -7,7 +7,7 @@ lua_dep = dependency('lua5.2', required : false)
 
 if not lua_dep.found()
     lua_subproject = subproject('lua', default_options: [
-        'shared=disabled', 'use_readline=false'
+        'shared=false', 'use_readline=false', 'app=false'
     ])
     lua_dep = lua_subproject.get_variable('lua_dep')
 endif

subprojects/libagg.wrap

@@ -1,4 +1,4 @@
 [wrap-git]
 directory = libagg
 url = https://github.com/franko/agg
-revision = v2.4-lhelper2
+revision = v2.4-lhelper3

subprojects/lua.wrap

@@ -1,4 +1,4 @@
 [wrap-git]
 directory = lua
 url = https://github.com/franko/lua
-revision = v5.2.4-6
+revision = v5.2.4-7