Update Draftee and draftee template

Added four categories to  WWDC view. Different categories represent the three different registrations as well as the supplemental registration. Altered template to include the different registrations.
Altered WWDCView and WWDC template

Created a function for the WWDC draftee view that would allow for different registration dates to be added. Altered the template for the added function in the view.
Updated WWDC template

Removed redundant code from WWDC template. Added if elif statements for each registration message.
Merge pull request #31 from jzmiller1/wwdc_fb

Altered WWDC view and template