Huge Security Bugfixes

Offer Detail Permissions Filter
    - Implemented for promoters
    - No longer gives errors
Auth Filters Typo
    - The auth and promoter_auth filters now work
    - Before they were not actually used because of a typo
          - There should be no space in between filters in
filter1|filter2
Fixed promoter_auth filter
    - No longer gets stuck in an endless redirect
http://puu.sh/60bCw.png
    - Fixed typo (mispelled function name)
   - Now redirects to home page if user is not logged in as a promoter
but tries to access the promoter page