Updated French translation

Implemented Smart Radio feature (EXPERIMENTAL)
Navbar Ring Targets: option to set ring targets background style
GravityBox Actions: added shortcut for toggling NFC
GravityBox Actions: shortcuts for setting location mode
GravityBox Actions: added shortcut for toggling WiFi Access Point
GravityBox Actions: added shortcut for toggling Bluetooth
GravityBox Actions: added shortcut for toggling WiFi
GravityBox Actions: added shortcut for toggling mobile data
Merge pull request #220 from ch-vox/patch-45

Updated French translation