Set transfer target element as string instead of list of strings again. Used view with include param instead of custom protocol for async recall operations

Stripped protocols also from negotiated transfer result in case of error on synchronous transfer endpoint

Updated jobs handling in compliance with specification: UWS result contains transferDetails URL and transfer negotiation is available only on transferDetails endpoint (jobInfo contains original transfer object)

phase update when COMPLETED

MUST LEAVE the job phase on EXECUTING

added update job phase on switch to EXECUTING

redmine subtasks