Merge pull request #91 from whoisglover/class_status_pie_chart

Class Overview status pie chart integrated.
Moved chart generation from user controller to user model
Refactored to use more user model methods to make user controller more readable
Merge pull request #92 from whoisglover/charts_refactor

Charts refactor
added copy from Matt
hopefully merged with master well
merged with master
merged conflicts
Merge pull request #93 from whoisglover/homepage_content

Homepage content
switching src to aws for vids
fixing video source to use amazon s3
autofocus on email field, no big changes here