FeatureGrader:
- added cucs and steps
- moved feature file into features/graders/
FeatureGrader:
 -  .gitignore - added  rvm-config files
-  travis.yml: added cloning hw from private repo
 -  changed sources line in Gemfile for travis
commented out require 'ruby-debug' for RubyMine debugger to work
grade3:
 - specs
 - comments in code
 - replaced STDERR with $stderr, for easier testing
quick fix
eliminate deprectations of specific error and mock
Merge pull request #2 from apelade/FeatureGrader

eliminate deprectations of specific error and mock
add keys to travis, and travis to gitignore
removed unnecessary output in rspecs
updated .gitignore to exclude local .travis.yml
minor refactoring
deploy travis
deploy travis
deploy travis
deploy travis
deploy travis
deploy travis
travis changes
travis changes use nickname instead of email
added .travis.yml to .gitignore