Merge pull request DSpace#253 from atmire/w2p-111323_update-processes…

…-contract

New 'creationTime' sort option for '/search/byProperty' in processes contract

processes-endpoint.md

@@ -359,7 +359,7 @@ This supports a basic search of the processes
 
 The supported parameters are:
 * page, size [see pagination](README.md#Pagination)
-* sort, options are startTime, endTime
+* sort, options are startTime, endTime and creationTime
 * userId: optional, the uuid of the eperson who started the process. If not specified, all processes will be returned
 * scriptName: optional, limit the returned processes to the specified script
 * processStatus: optional, limit the returned processes to the specified status. The possible `status` values are `SCHEDULED`, `RUNNING`, `COMPLETED` and `FAILED`