Rails ERD pdf creator added with insturctions
Fixed example and instruction
Merge branch 'master' into ERD

* master:
  Update tests to use GITHUB_ACCESS_TOKEN.
  Remove unnecessary time travel.
  Upgrade to rspec 3.0
  Rename spec_helper to rails_helper
  Bump more gems
  Upgrade to rspec 2.99 and start fixing deprecation warnings.

Conflicts:
	Gemfile.lock
Merge branch 'ERD'

* ERD:
  Fixed example and instruction
  Rails ERD pdf creator added with insturctions