email preferences
hooks
Merge pull request #129 from ngoel36/email_pref

Email pref
change to after_create
Merge pull request #130 from ngoel36/email_pref

change to after_create
unsubscribe
Merge pull request #131 from ngoel36/email_pref

unsubscribe
authorize
Merge pull request #132 from ngoel36/login

authorize