Fixed break on invalid login
Added relevant error messages on login page.
Invalid login reroutes back to login page with error message.
Create Account now auto logs in and routes to dashboard instead of back to index.
User's followers and following lists now link to relevant user pages.
Merge branch 'master' into login
Fixed accidentally removed <div> tag
Conflicts:
	app/views/login_page.erb
Merge pull request #17 from Williampangestu/login

Fixed break on invalid login