ome-xml: Timestamp: Deprecate non-joda time ctors and methods
merge dev_4_4 -D org -I include -E exclude: PR 622 (Upgrade SLF4J to 1.7.2 [dev_4_4])
merge dev_4_4 -D org -I include -E exclude: PR 638 (ome-xml: Timestamp: Deprecate non-joda time ctors and methods)