Added admin scope for deleting food trucks, added migration to add admin role column to users
Only users with the admin role can see delete buttons, deletion path scoped under admin
passing tests for admins deleting trucks and regular users not being able to delete trucks
changed user column from admin boolean to role string, updated views and tests accordingly
Moved user is admin check into controller
fixing merge conflicts in seed file
Incorporated Simon's truck editing branch, resolved merge conflicts
Cleaning up formatting per hound.
More hound
deleted old .env key
minor carrierwave mods
Merge pull request #42 from LaunchAcademy/namespace_for_admin

Namespace for admin