Update Itstrings JB
Merge pull request #967 from pesa1234/patch-65

Update Itstrings JB
ModNavigationBar: added L icons for RTL and non-phone UI devices
NavBar: replace L key icons with the authentic ones
xxhdpi taken from decompiled SystemUI and downscaled for xhdpi and hdpi
NavBar: fixed shadows on RTL and sw600dp L icons
Updated French translation [JB]
ModNavigationBar: added option to show Android L icons