Added a before_filter for any action that requires authentication. Will redirect to login page if not logged in
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
Merge branch 'dev' of https://github.com/Growstuff/growstuff into upgrade_ruby_version