Remove locarchive.h

This include file is no longer needed since the switch to
"locale -a" for listing locales.

https://bugzilla.gnome.org/show_bug.cgi?id=720815
gnome-rr: don't forget to copy display name

https://bugzilla.gnome.org/show_bug.cgi?id=719928
gnome-rr: add API to check whether rotation is supported

Export a method on GnomeRROutputInfo to check which rotation options are
supported.

https://bugzilla.gnome.org/show_bug.cgi?id=721672
build: bump version

Since we added new API

https://bugzilla.gnome.org/show_bug.cgi?id=721672
docs: update gnome-desktop3-sections.txt

https://bugzilla.gnome.org/show_bug.cgi?id=721672