Update src/jquery.i18n.messages.js

Changed the while loop to each
Formatted Code
Merge pull request #21 from darkyen/patch-1

Update src/jquery.i18n.messages.js
Cleanup

Mostly adding whitespace for readability.

Also fixed some comments and removed unused code.
Merge pull request #22 from amire80/code_cleanup

Cleanup
Update docs
Merge pull request #23 from siebrand/master

Update docs
Merge branch 'master' of git://github.com/wikimedia/jquery.i18n

Conflicts:
	src/jquery.i18n.js