Added validation to forgot password form

[ghost]

• Added form name
• Added email validation using ng-pattern and regex
• Disable submit button if form is invalid
• Added some rows / cols

[silverbux]

Hi, i prefer giving user the error message instead of just disabling the submit button.
Please use user-profile.component.html#L35 as a method of validation

[ghost]

@silverbux hey :) updated. see 7333cfb

[silverbux]

awesome thanks!