removes unnecessary javascript files from assets
removes Chart.js from application.js and application.html.erb
removes old jquery and bootstrap files
removes old jquery from application.js
sets up app to work with local min copies of jquery and bootstrap
deletes unneeded css files
adds local fallback from jquery, rails may already cover this
adds respond.min file for older IE support of bootstrap, references that in html, includs in javascripts
adds Course Model
adds course and affiliation models, changes many to many associations
removes type column from users table
removes old admins table
removes teachers table
adds seeds for new configuration
removes students table
adds course_id to polls table
many associations, user has polls, user has replies etc
changes to signup due to changes in user, sms_phone number, validates phone number
renames new_user_form partial to user_form partial
changes all references to new_user_form to user_form