Add some comments to runastyle script

runastyle

@@ -1,5 +1,13 @@
 #!/bin/bash
+# The version check in this script is used to avoid commit battles 
+# between different developers that use different astyle versions as
+# different versions might have different output (this has happened in
+# the past).
+
+# If project management wishes to take a newer astyle version into use
+# just change this string to match astyle version string.
 ASTYLE_VERSION="Artistic Style Version 2.01"
+
 if [ "`astyle --version 2>&1`" != "${ASTYLE_VERSION}" ]; then
 	echo "You should use: ${ASTYLE_VERSION}";
 	exit 1;