Gallery2: NL translation

ps1: support audio effects during video play.
     avoid to trim the unsupported clips

ps2: Storage location configuration options

ps2: Update translations

ps3: Fix typo

Change-Id: Ia4aee91564e1c2935dc2b27505f1db3fa983cc92
Merge "Gallery2: NL translation" into cm-10.2
Merge remote-tracking branch 'cm/cm-10.2'; commit 'HEAD' into HEAD