Fixed incorrect subheader color
Very minor fixes
Added view counts to robots
Removed ugly modal to show an overview of a user
Protected against null user errors
Protected against null robot errors for comments
Refactored tier list in "show_by" partial
Added message for blank collection in tier show page
Fixed active tier item not displaying

This was caused by a variable name conflict.
Made category show pages a bit more descriptive
Added ability for admins to create/edit categories
Updated & cleaned up robot show page
Fixed users being able to 'view spam' robots

Users can now only ‘view’ any robot once per session.