#546 added column for user roles
#546 added superuser role
#546 set up active admin without devise
#546 added active_admin models
#546 added object model
#546 deleted unnecessary files
removed unecessary tabs
merging in dev
merging in dev
added superuser in permissions
superuser admin status
admins cannot edit superuser
added jquery files
removed typos
refactoring dropdown
removed messages and app configs
merge development into branch
merge in 546_rails_admin