Merge pull request #160 from nealcpeters/updating_specs_code_reviewed

Updating specs code reviewed
add new community ajax done; user can only add a tutorial to a community that they are a member of
Merge branch 'master' of https://github.com/nealcpeters/infobytes into communities
Merge pull request #161 from nealcpeters/communities

Communities
xhrt
Merge branch 'master' of https://github.com/nealcpeters/infobytes into updating_specs_code_reviewed
made fail test on communities pend