Make tag closure compiler compliant
Majors changes to make tag small.
Save a few bytes here and there.
Cleanup
Cleanup and a little bit smaller
Rename Tag.userAgent to Tag.ua.
Pass only userAgent to mode function, not Mobify
Cleanup tests a bit for the open source tag
Splits out supportedBrowser from the rest of the logic
Remove special open source tag
Merge pull request #242 from mobify/new-tag-closure

Make Tag Small