Adding subsciption info to GET request result

This small modification adds subscription information to the GET REST API call
so information like CustodialSites is listed in the form that is returned from
the workload helper.

Fixes #4588
Merge pull request #4648 from zdenekmaxa/reqmgr-custodialsites-info-added-4588

Adding subsciption info to GET request result
add failed alert
Merge pull request #4657 from ticoann/request_fail_alert

add request failed alert. Merging this for creating new tag for June deployment
0.9.71

signed off - Seangchan Ryu