Formatting changes
Add 'PIN' as a zip_code_type, support it for India. Also, arrange SV and SX in the right order in the RegionDataConstants.
Merge pull request #43 from dlyongemallo/master

Add 'PIN' as a zip_code_type, support it for India.
Merge pull request #42 from lararennie/label_fixes

Java codebase cleanup.