Merge pull request #173 from nealcpeters/communities

Communities
update sidebar css
Merge branch 'master' of https://github.com/nealcpeters/infobytes
Merge pull request #174 from nealcpeters/sidebar

Sidebar
added ajax to add community tag to tutorial form
Merge branch 'master' of https://github.com/nealcpeters/infobytes into communities