Fixes bug where GetShipments was being called on Invoice View page when no order existed.
Merge remote-tracking branch 'merchello/1.4.0' into 1.4.0
Merge remote-tracking branch 'merchello/1.4.0' into 1.4.0
Added merchello.audit.service.js.
Merge remote-tracking branch 'merchello/1.4.0' into 1.4.0
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Merge remote-tracking branch 'merchello/1.4.0' into 1.4.0
Testing AuditLog API's GetSalesHistoryByInvoiceKey endpoint.
Fixes issue with SalesHistory Serialization
Patches AutoMapping issue where IAuditLog entityType always mapped to Customer
Added missed files
Added audit log models and wired into api call on order view page.
Merge pull request #857 from cssquirrel/1.4.0

1.4.0 Initial work on adding the audit log (sales history) to the invoice page.