* po/POTFILES.in: Added gnome catalog relevent files for translation.

	* src/glade-devhelp.[ch]: Removed.

	* configure.in, src/Makefile.am: shuffled, devhelp removed

	* src/glade-project-window.c, src/glade-utils.[ch]: implement
	  devhelp search as `devhelp -s \"search string\"`. (spawn it)