Update ruby version to 1.9.3-p547 and debugger gem to 1.6.8
Merge pull request #94 from karenc/update-ruby-version-travis

Update ruby version to 1.9.3-p547 in .travis.yml
Allow only admins to create or destroy oauth applications
Removed spec file that was from another branch
Merge pull request #95 from Dantemss/admin_only_apps

Allow only admins to create or destroy oauth applications