Settings: NL translations

ps1: Storage Settings: Allow user to trigger a volume rescan

ps2: Add lockscreen rotation as an optional rotation setting

ps3: fix typo: selecteer -> selecteert

ps4: fix typo: netwek -> netwerk

Change-Id: Iefd0acc943f3c93c58fb567601949b741ac57ef6
Merge "Settings: NL translations" into cm-10.1