Merge pull request #29 from bmadhu/master

Fixed: validating contact number with User id.
Created chat page.
Implemented delete contact functionality.
Some code re-factoring.
Merge pull request #32 from bmadhu/master

Footer added.
Merge branch 'master' of https://github.com/SiriTech/Tattlez

Conflicts:
	app/css/tattlez.css
	app/scripts/controllers/contactsController.js
	app/views/contacts.html
Merge pull request #33 from ksrikanthreddy/master

Delete Contact
1. Validation added in "Add New Contact" form.
2. Modified OTP generation logic.
3. Added Footer in History and contacts page with menu items.