Settings: Update It Strings

Change-Id: I5e2b7ba8c520a17d18a758d20741847236ef48a5
Settings: FR translation

PS3-6: rebase, correction add new translation
PS7: Add translations from Super Mamie, thanks. https://gerrit.omnirom.org/#/c/4519/3
PS8-9: rebase and correction

Change-Id: I7bf01660000d4c0cf7983c1b4737afa363cdbe26
Merge "Settings: FR translation" into android-4.4
Merge pull request #1 from omnirom/android-4.4

MErge translations