Added a before_filter for any action that requires authentication. Will redirect to login page if not logged in
Merge remote-tracking branch 'upstream/dev' into cancanredirect
Made crop thumbnail markup more semantic
Merge pull request #461 from emmawinston/more_semantic_markup

Made crop thumbnail markup more semantic
Merge pull request #455 from yoongkang/cancanredirect

Redirect to sign-in page for any action that requires authentication
Modified ruby from 2.1.2 to 2.1.5
Merge branch 'dev' of https://github.com/Growstuff/growstuff into upgrade_ruby_version
Update .travis.yml

upgrading ruby 2.1.2 to 2.1.5
Added myself to Contributors.md
Reversed order of authorization and authentication. Also added tests
Merge remote-tracking branch 'upstream/dev' into cancanredirect
to_s not needed
Explicitly add spec for notification
removed whitespace
Merge pull request #463 from yoongkang/cancanredirect

Fix for redirect sign-in not working for all models
Merge pull request #462 from kevieyang/upgrade_ruby_version

Modified ruby from 2.1.2 to 2.1.5
Merge branch 'dev' of https://github.com/Growstuff/growstuff into dev
Merge branch 'dev' of https://github.com/kevieyang/growstuff into dev