Refactors InvoiceApiController to use new query methods
Merge pull request #812 from rustyswayne/1.4.0-lists

Refactors InvoiceApiController to use new query methods
Modified sorting code in order list controller.
Merge remote-tracking branch 'merchello/1.4.0-lists' into 1.4.0-lists
Updated invoice services to use SearchInvoices instead of GetAllInvoices (need to modify some method names).