NXP-14362 Support OpenCMIS Service Wrappers
Backport of NXP-14362 WIP
Update to 5.9.4-CKS2-SNAPSHOT
NXP-14362: Delay Nuxeo CMIS Context Initialization
NXP-14474: Support CMIS JSON encode/decode of complex properties
Release 5.9.4-CKS2
Merge branch 'CKS-5.9.4' of https://github.com/ron1/nuxeo-chemistry into CKS-5.9.4