Updates for add user form
Merge pull request #13 from stallings/master

Updates for add user form
Updated user model and added message for successfully adding a user.
Merge pull request #14 from stallings/master

Updated user model and added message for successfully adding a user.
Started validation for add user
Merge pull request #21 from stallings/master

Started validation for add user
Completed some features and fixed some issues, more info can be found at the Issues section.