Email: Refactor default translations

Change-Id: Ib62c7b06d8c32f9d2ce3e9daa27aa0ae4d4fda50
Email: ES translations

- Move CM additions to new file
- Restore AOSP strings

Change-Id: I26eb4564925e00c70e3f842bc9ec9f574f95fb09
Email: PT-BR update translations

Change-Id: I3821dcc70d60840a448523967712014e613e169b
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android_packages_apps_Email into cm-10.1