add oauth documentation
Revert "add oauth documentation"

This reverts commit fb48091e390332c886fa0dc14130a9a4d57df264.
Merge branch 'gh-pages' of https://github.com/driftyco/ng-cordova into gh-pages
remove DS_Store from gitignore.  revert my changes because I hadnt merged with the upstream first
add oauth documentation
Merge pull request #410 from nraboy/gh-pages

Update ngCordova GitHub pages to have Oauth documentation