Created Basic Frontend For Homepage

Added frog logo placeholder, added basic CSS for frontend, added layout, created navbar, created homepage
starting modal
Merge branch 'master' into css_for_logins
submit button links to user_signup page
Created Layout for Signup Page
Added CSS to forgot password page

Merge branch 'master' into css_for_logins

Conflicts:
	config/routes.rb
added logout button in nav
added drop down for teachers/students
Merge pull request #5 from whoisglover/css_for_logins

Css for logins