* gladeui/glade-project.c, gladeui/glade-project.h: Rename
	  glade_project_get_has_unsaved_changes() to glade_project_get_modified().
	  Set "modified" to FALSE if we undo the command that caused the first
	  unsaved modification in a project (#392324).
	
	* src/glade-project-window.c: Update for API changes in GladeProject.

svn path=/trunk/; revision=1416