Created groups controller and model
Added groups resource to routes file
Added validation and associations to group model
Created basic index and show actions for groups
Created index and show views for groups
Added group listing to index page
Added group name and description to show page
Added new and create actions and group params method
Created new view for groups and created form for adding a group
Added link back to groups index from new group form page
Added link to groups index from show page
Added links to group show pages on group index page
Added link to create a new group to index page