Getting user email from GoUser.email
Added credit_balance template tag to output a given user's credit balance
Added get_account_statement API call
Added MonthlyStatement and LineItem models
Added link to statements page
Added account statement call
Created generate_monthly_account_statements task
Added GO_BILLING_API_URL setting and new celerybeat task
Added statement_view view
Added test cases
Added a bunch of extra styles
Styled Statement List to be consistent with other lists and added pagination
Added ability to sort statements by date
Merge branch 'develop' into feature/issue-752-credit-balance-and-statements
Fixed failing pagination tests
Moved the work of generating a statement to a celery task
Moved STATEMENTS_PER_PAGE into settings module
Removed commented out markup
Switch (most) go.vumitools tests to helpers.
Refactored Statement List view and template