Gallery2: ES translations

- Restore AOSP strings
- Move CM additions to new file

Change-Id: I22089dc040df86a430f8aa1449915a0b4db09d31
Gallery2: Refactor default translations

Change-Id: I71f7e47846035c220e545f34f7ab1650b4837a3e
Gallery2: ES translations

- Update filtershow messages: http://review.cyanogenmod.org/36582

Change-Id: Id189b229064d64c1d3f98ffeb967115ce72fa68c
es_ES: Fix spanish translations

- Move CM additions to end of file
- Add missing translation

Change-Id: I90de978f4f386acdc72cde57d6bb704f0039ccbd