add validates password confiramtion
new fields; new style
edit update action
bootstrap-sass settings
restiling nav
Home page disign
Sign_in  page disign
finish Sign_in page style
delete .divider
blank new pass
restylin edit
Merge branch 'allow-users-to-change-password' into restyling
edit page style
Registration page style
change color of "Sign in"
fix authentication_test.rb
fix registration_test.rb
fix  integration test for resgistration
fix  functional test user_controller_test.rb
Fix simplecov.