Updated Lithuanian translation
Visual C++ Builds: Use Custom Build Rules

...so that the gdk-pixbuf.def can be automatically updated upon build when
gdk-pixbuf.symbols is updated, and that it could be deleted upon a "clean"
request.

Also drop some unneeded items from the property sheets and fix a typo.
[l10n] Update Catalan translation
Updated Serbian translation
Merge branch 'master' of git://git.gnome.org/gdk-pixbuf
Merge branch 'master' of https://github.com/johne53/MB3Gdk-pixbuf
JOHNE - Add a new header file to project 'gdk-pixbuf'