Made Registration.TShirtSize nullable
Added TShirtSize property, populated UserId property.
Added TShirtSize prop  to vmAdmin_ResitartntListItem
Fixed issue with ViewEvent trying to load RegistrantListItem instead of RegistrationListItem.

Added UserId and TShirtSize fields to RegistrationListItem
Added Triple XL to TShirtSize, changed display names of T-shirt sizes
Refactored EditUser action to show proper image size validation methods
Updated CreateUser form to show proper validation errors for large filesizes.
Refactored photo upload field to remove duplicate markup.
Fixed issue where uploaded image was not saved on user registration.
Moved event overview copy into Event Info tab, removed font and color options from Edit Event editor
Made Event Info the default highlighted tab.

Minor CSS adjustments to fix width of content div being wider than its parent
Hide registering for someone else field.

Registration type defaults to Standard
Added Remove Styles button to event editor, updated CSS accordingly.
Updated .gitignore
Added T-Shirt Size to registrant report