* Support displaying balance of credits
* Fewer API calls
* Returns data across all regions instead of just the current one
* Support viewing details for previous invoices
* Highlight unpaid invoices
Change-Id: Ic0f950948c83e76d760123046e8ffbd12dd632dd
Some specific Catalyst Cloud stuff are here and there, they will be cleaned
up later after we migrated to Distil v2.
Change-Id: I81df0765cfc876faaa58a43469d87825d30c167e