implemented "remember-me" functionality for Simpleauth and Ormauth
Bugfix: default group fieldname should be group_id
Merge pull request #56 from wturrell/patch-1

Bugfix: default group fieldname should be group_id
fixed typo. Closes #55
Oauth integration in Auth

note: not production ready yet!
renamed remotes table to providers table
fixed down migration error due to table constraints
determine the provider table name only once
added generic getter for response attributes
bumped the docblock version to 1.7
fixed a typo in the migration for creating the simpleauth table
Added support for profile fields to Ormauth's update_user()
refactored processing opauth custom config
have update_user() remove EAV attributes when the value is null

for compatibility with Simpleauth
added a public role for guests, unified the superadmin role name
fixed delete_user() doesn't delete user metadata
fixed removing a constraint causes the down migration to fail
Backported branch '1.7/develop' into 1.6/master