Removed parent from category

Since the field was already removed
Fixed error when no category is given
Fixed display bug
Validation on price
Tighter data validation on name
More validation
Fixed #50 - MOAR VALIDATION!
Fixes #51
Fixes #52
Merge branch 'refs/heads/develop'
Fixes #50
Fixes #55
Merge branch 'refs/heads/develop'
Don't need it
Updated to prevent the XSS in the menu
Alpha_dash is too contrictive
Removing alpha_dash
Escaping HTML in modal title
Fixed XSS on modal

Weird thing. The values were being escaped on the way out but something in the modal javascript was parsing them out as if they weren't. Using data-html="false" seemed to have no effect on the modal. *shrug* Problem for another time.
Merge branch 'refs/heads/develop'