Updated italian translation to 2.5.7

Updated italian translation to 2.5.7
Updated French translation

Ongoing notifications
Updated French translation

better translation for statusbar which becomes "barre d'état" (slightly different from previous translation which was too much literal : "barre de statut")
Updated French translation

statusbar brightness warning for disabling automatic brightness setting
Updated Japanese Translation
Merge pull request #134 from bgcngm/master

Updated Portuguese (PT) translation
Merge pull request #135 from pitone02/patch-7

Updated italian translation to 2.5.7
Merge pull request #136 from ch-vox/patch-43

Updated French translation
Merge pull request #137 from WedyDQ10/patch-2

Updated Japanese Translation
ModCallCard: set in call UI background to Black only in case of my
GtavityMod ROM since it has fullscreen caller photo hardcoded.
Alternate WiFi Tile for MTK devices (CM Style)
- indication of signal strength
- SSID info
Updated Portuguese (PT) translation