Authentication and Authorization are somewhat implemented

- User list
    - only some informations will be reveal
    - cannot delete/update/create
- User detail
    - only owner user can access detail
    - only owner user can update detail
    - cannot delete/create
- Event list
    - cannot delete/update/create
- Event detail
    - only owner user can update/delete detail
- overhaul website to make use of skeleton css framework
- included address form in event_create_form
Merge branch 'master' into api_authorization