Add groups model
Add relationship table
Add flash and not_found
Add Create Group
Group rank
Add group prizes
Add group prize login and edit button
Add group prizes
Add group edit
Set status for 404
Merge pull request #17 from threefunkymonkeys/groups_crud

Groups crud
Uses pry in console if available
Adds groups variable for dashboard
Adds layout and styles with real data in dashboard
Adds flags image files
Removes thumbs directory created by Dolphin