added category_id to update method
initial commit: needs url routes
corrected routes: plural contents
added row to save section after assigning course_id
foundation fixes
section input empties with every post
Merge pull request #17 from jeromeall/create_sections

Create Sections + foundation fix (for heroku)
uncommented belongs_to :user
categories are alphabetized and divide evenly into three row
Merge pull request #18 from yutakahoulette/master

categories are alphabetized and divide evenly into three row
can create/append content w/json
Merge pull request #19 from paninapress/content_form

Content Creates/Appends
fixed merge conflict