Deprecate 2003fc and related classes

ome-xml: Deprecate the following:
· About
· CustomNode
· DOMUtil
· OMEXMLFactory
· OMEXMLNode
· r2003fc/*

scifio: Deprecate the following:
· OmeisException
· OmeisImporter
merge dev_4_4 -D org -I include -E exclude: PR 486 (ZeissZVIReader: Fix detection of label string offset)
merge dev_4_4 -D org -I include -E exclude: PR 489 (Deprecate 2003fc and related classes)