added communities table and community_id column to tutorials
erge branch 'master' of https://github.com/nealcpeters/infobytes into add_communities
community and tutorial associations updated
added link to author on tutorial show page if not the author logged in
Merge pull request #116 from nealcpeters/style

Style
fixed some merge conflicts
added communities routes and index view
Merge branch 'master' of https://github.com/nealcpeters/infobytes into add_communities
Merge pull request #117 from nealcpeters/index_ajax

Index ajax
ajaxed create tutorial butons
Merge branch 'master' of https://github.com/nealcpeters/infobytes into index_ajax
Merge pull request #118 from nealcpeters/index_ajax

Index ajax
changed link color to dark blue
Merge branch 'master' into styling
Merge pull request #119 from nealcpeters/styling

Styling
went back to the beginning
Merge branch 'master' of https://github.com/nealcpeters/infobytes into index_ajax
Merge pull request #120 from nealcpeters/index_ajax

Index ajax
added show view, updated seed file, corrected model naming error
Merge branch 'master' of https://github.com/nealcpeters/infobytes into add_communities