Calculator: Simplified Chinese Translations

Patch Set 2: Modified translations as per John's suggestions.

Patch Set 3: Updated Easter Egg translations.

Patch Set 4: Reorganized Strings as per Marco's request.

Patch Set 5: Updated and rebased.

Patch Set 6: Fix whitespace.

Change-Id: I56c0d8f21a40a8f46b801b38ecf8b0ac3fe23583
Merge "Calculator: Simplified Chinese Translations" into cm-10.1