Mms: Update Chinese Translations

Patch Set 2: Cleanup to reflect the cleanup in the English strings.
Also modified some translations.

Patch Set 3: Added John Hsing's suggestions.

Change-Id: I4845d25ebca4db6b05e21766f220bd0c983da1e1
Merge "Mms: Update Chinese Translations" into cm-10.1
Merge branch 'cm-10.1' of github.com:CyanogenMod/android_packages_apps_Mms into cm-10.1