Removed front-ends and t9n.
keeptalking: moved libraries components to main dir.
Moved keeptalking to keeptalking2.
Keyboard, Locale, TimeZone: renamed 'legacy' set/get methods to <previousname>_offline.
Keyboard: added systemd-specific, polkit authorized get/set methods.
Locale: added systemd-specific, polkit authorized get/set methods.
TimeZone: added systemd-specific, polkit authorized get/set methods.
core: moved to ../core.py
Keyboard, Live, Locale, TimeZone: documentation changes.
Relicense to LGPL2.1, updated headers to match it.
setup.py: as keeptalking2.core has been moved to keeptalking2, remove it from packages.
Added README.