Cleaning up the messages index
Got the first draft of the result transformer going
Fixes after removal of the message meta data class
Changed the api call over to use the transformer
Fixed a few issues with time sent and processed at
Added a test for sorting on time sent
Added ReceivingEndpointName as an index prop
Adding sort to errors.

Added multi status filter for errors.
Using stream for retries
Made Body url relative for easy of updating

Ensuring error message id is just the guid
No need for SLR
Need Unique id to retry in bulk
Added stream for GetEndpoints so we not restricted on 128 results
Fixing the sorting for sent time
Fixing failing acceptance test
Making sure that we use an index when performing the retry all
Merge pull request #174 from Particular/messages-view-cleanup

Messages view cleanup