[Gaurav] added thoughtworks logo
added step brouchure image
[Gaurav] refactored index.html/application.css 2)added headers 3)added tw-logo in the header
[Gaurav] phonenumber ajax form/ refactoring
	1) phone number captured automatically.
	2) renamed files/controllers
	3) added migration for other_details table
	4) added specs and factories
1)validations and error messages
2) minor ui fixes