removed the billing api and replaced it with the accounts api. Also added some preliminary upgrade scripts
Merge pull request #3 from bdzim/bdzim-remove_billing_api

removed the billing api and replaced it with the accounts api. Also adde...
Merge branch 'master' into management_console_1.2.1

Conflicts:
	netkes/account_mgr/user_source/group_manager.py
Neglected to hit save before committing previous merge conflict.
Merge branch 'management_console_1.2.1' into auth-user-lookup