Merge pull request #2 from joshuawilson/WFK-600

WFK2-600 update to JavaScript
Merge pull request #3 from joshuawilson/WFK2-600

[WFK2-600] - Configure the sign-up to test for unique usernames
Refactoring packages.
Refactoring packages.
[WFK2-600] - Update the failed log-in error handling to display a message instead of a pop-up in contacts-mobile-picketlink-secured.