Trebuchet: ES translations

- Add 'Menu' translation
- Add 'carousel' effect
- Move CM additions to new files
- Restore original AOSP strings from Launcher2 package

Change-Id: I1cc511427e694ddd666eea65dbdce1770689b66f
Merge "Trebuchet: ES translations" into cm-10.1
Merge remote branch 'cm/cm-10.1' into cm-10.1