Settings: Lockscreen custom wallpaper (2/2)

Change-Id: I1ac1351e9a31a5827847e30113e933f2b7da219f
[2/2] Settings: statusbar clock customization + color picker

- added slims clock and date customizations for status bar
- added our own modded marginov color picker which we use as default
[2/2] Settings: Network speed indicator
Fix back RU translation