Settings: NL translations

ps4:
- translated HELP section
- included patch: Make menu item title and help text consistent.
ps6: include
- added contact icon
- volume keys control ringtone volume

Change-Id: Ic693bd00b9d30aa1b09030a59418d4a331fdf1e9
Merge "Settings: NL translations" into cm-10.1
Merge branch 'cm-10.1' of github.com:CyanogenMod/android_packages_apps_Settings into cm-10.1

merge latest commits