add warning and permission note
Merge pull request #2066 from andymckay/1007995

add warning and permission note
Fix broken admin
Removed 'browserid-login' waffle switch (bug 1011298)
Removed AddonRecommendation which was part of bandwagon (bug 1004549)
stub out verifier for browserid login in tests
stub me harder
upgrade to django 1.6.5 (bug 1010611)