sort reservations table by clicking on headers
removed old js file
removed random sorting thingy
fix items#index ascending sort
admin can reactivate users
Merge pull request #86 from joh641/reservations

Reservations
Merge pull request #87 from joh641/fix/item_sort

fix items#index ascending sort
Merge pull request #88 from joh641/admin/users

admin can reactivate users
merge fix