ADDED database_cleaner.rb
UPDATED user spec
ADDED rspec for apprenticeship and rating models
ADDED apprenticeship_spec, rating_spec and role_spec .rb files
UPDATED apprenticship and rating spec
ADDED site index, controller, semantic-ui stylesheets and javascripts
Merge pull request #6 from Simon245/apprenticeship_tests

spec tests
Merge branch 'master' of https://github.com/josephktcheung/grasshopper

Conflicts:
	Gemfile.lock
Added Gemfile.lock to .git ignore