ContactForm:
- VisitorsController: added email validation + specs
- ApplicationHelper: added email validation helper + specs
- Mailer: added confirmation email + template mailer/contact_form_confirmation + specs
added Coveralls coverage
ContactForm:
- minor changes to Mailer spec
- finished Contact form cucs and steps
- added features/support/selectors.rb to support with_scope method
- minor refactoring in User details cucs to resole ambiguity with email field