Read fallback default settings from /etc/xdg/pcmanfm-qt.
Support changing wallpaper from command line & dbus.
Correctly save new wallpaper config.
Fix incorrect export symbols and use GNUInstallDirs for installation destination
Make it safe to create multiple Fm::LibFmQt objects and only initialize libfm once.
Merge branch 'master' of git://github.com/lxde/pcmanfm-qt

Conflicts:
	libfm-qt/CMakeLists.txt