Merge pull request #1 from r23712/master

Readme
Add: Login by username and email
Merge remote-tracking branch 'r23712/master'

Conflicts:
	app/views/devise/registrations/new.html.erb
	app/views/devise/sessions/new.html.erb
	db/schema.rb
Add first name and last name to user
Add users controller and index view
Fix: full_name getter and setter
Add rails_admin and admin column to User model
Permit all fields for account_update
Add flash messages
Redirect to edit profile page after submitting it
Add user profile social fields
Fix: registration#edit as user_root
WIP: People page

Includes:
- Compass
- Icons/Sprite
add gems
merge jpadilla repo
added photos to startups and fixed header