Added Costume Fitting as Event

AGMA contract setting for costume_increment_min added to DB, model, and
views
Views added for CostumeFitting#new & CostumeFitting#edit
Events#index updated to show fitting & modal when event is clicked
Updated handle icons & dashboard
Added Phones model, views, controller

Remove phone from Employee
Removed main_phone from Account
Removed download of scenes to Excel

Wasn't working with Excel 2011 for Mac
Added account_id to user

Updated signup
Updated user controller & model
Changed Default date format to '%m/%d/%Y'
Added Season model, controller, views
Changes Sort on Season to have most recent first