Settings: IT translations

Change-Id: I550b1a6192d27cef4874677f3e60d4db39ce6e04

Conflicts:

	res/values-it/cm_strings.xml
Use a common base class for HW tuning sliders
Settings: PT-BR update translations

Change-Id: Ib5b4c92bef8a52a3f2e23b387a7854a80000b3d3

Conflicts:

	res/values-pt/cm_strings.xml
Settings: HU translation

PS2: Correcting
PS3: Typo
PS4: Correcting
PS5: Manual rebase
PS6: Correcting
PS7: Reorganizing and manual rebase
PS8: Manual rebase and update

Change-Id: I6c84e39f96c080e7eec0169ac41ba31b3e69cdbf

Conflicts:

	res/values-hu/cm_strings.xml
Add basic-level gamma calibration to hardware tunables
Settings: Update Japanese translation

Add missing entries.

Change-Id: I9d34884960c006069c757902c5c5ee74506ffc71