Merge pull request #3 from nairys/association_testing

finished first round of testing
added coverall code
quick update for coveralls
added devise resources
one more change
added coverall coverage button
changed to travis ci
Merge pull request #4 from nairys/coveralls

added coverall code
Update README.md
fixed routes for devise, still need to add username field for registration
Merge branch 'master' into association_testing