Validation for Register page

Added validation for registration page using i18n pattern.
Highlighting fields with errors
Using custom validator for password confirmation
Listing localised error messages on at the top of panels. 


![registervalidation](https://cloud.githubusercontent.com/assets/3430891/5333644/b83f4c7a-7e4b-11e4-81a5-3a9d479b7c83.PNG)