* gladeui/glade-xml-utils.h: Added version macros

	* plugins/gtk+/gtk+.xml.in: Added version 2.14

	* gladeui/glade-project.c: Now glade loads and saves requires
	  metadata as comments at the toplevel in libglade and older versions
	  of gtk+ that dont recognize versioning (i.e. gtk+ < 2.14) (bug 536310)


svn path=/trunk/; revision=1910