add ng-bind to navbar
- display error message when wrong username or pass
- only submit if form valid
register fixes
Merge branch 'master' of https://github.com/facundoolano/invisible-chat into validations
validations on register page
Merge branch 'master' of https://github.com/facundoolano/invisible-chat into validations
Merge pull request #8 from invisiblejs/validations

Validations