Re-register media keys when gnome-settings-daemon is restarted
Merge pull request #38 from grawity/reregister-mmkeys

Re-register media keys when gnome-settings-daemon is restarted
Update CanGoNext property when needed

Also update properties on playlist change to update
CanGoNext properly when new tracks are added while
the last track of the playlist is played.
Simplify condition
Change mpDris2 tarballs location

github will remove the downloads section :<