Disabled csrf and made auto_login page toggleable with setting
maximum number of random users
Made activation flag and ENV_TOKEN
moved auto_auth view to students.view and fixed flag conflicts
remove depracated feature flag `GENERATE_RANDOM_USER_CREDENTIALS`
moved MAX_AUTO_AUTH_USERS to ENV_TOKENS
fix merge conflicts with master
tests added
tweaks
Merge branch 'master' into ihoover/feature_flag_auto_auth
comment tweaks
Fix up auto auth tests.
working under cms too
resolve conflicts
added csrf tests
csrf test fix

remove test that csrf middleware is disabled (since we can't seem to reload middleware between tests)

move definitions from setuo into test method
Merge pull request #417 from edx/ihoover/feature_flag_auto_auth

Ihoover/feature flag auto auth