changed release_date type to datetime for easier use
added simple form to Gemfile, began writing survey routes, changed some field names in surveys
Merge branch 'master' into create-routes
added simple-form to Gemfile
added surveys resources, custom survey route
created survey model, migrated
created SurveyHelper modeule (does nothing yet)
began writing survey#new view

Conflicts:
	Gemfile
	db/schema.rb
added db:reset task to rake
tweaked signin and signup partials to use simipleform, added password validation to user
Merge pull request #5 from gopher-snakes-2013/create-routes

added simpleform Gem, tweaked forms to use signin, created survey routes and model