modified to eliminate test duplication by using shared example.
Merge branch 'exercise-5-6-1'

Conflicts:
	spec/requests/static_pages_spec.rb
deleted Gemfile to deploying on heroku
bundle installed for heroku
added Gemfile.lock
committing before make new branch for exercise
Merge branch 'user_microposts'

Conflicts:
	app/views/static_pages/home.html.erb
Merge branch 'user_microposts'
Add user following - Chapter11
Merge branch 'master' of https://github.com/gs3/sample_app