Removed all files where glade writes strings.
Changed Makefile.am to not distribute them.
Changed all glade files to not write strings to those files.
Removed *.desktop and evolution.keys files, because they are generated.
Added them to .cvsignore
Added *.desktop.in evolution.keys.in files without transalted strings.
Added all existing entries from desktop files to po files.
Changed Makefile.am to distribute only .in files, and merge translations into
desktop files.
Removed obsolete files from po/ dir
svn path=/trunk/; revision=8164
