login/signup/signout functionality
added taking survey view
Merge pull request #4 from jpark3000/creating_surveys

added taking survey view
Merge branch 'master' of https://github.com/jpark3000/survey_app into login/signup

Conflicts:
	app/controllers/index.rb
Merge pull request #5 from jpark3000/login/signup

Login/signup
iframe and url template