Remove 2003fc and related classes

loci-plugins:
· libraries.txt: Update to use OMEModelObject in place of OMEXMLNode
· LibraryChecker: Update to use OMEModelObject in place of OMEXMLNode

ome-xml: Remove the following:
· CustomNode.java
· DOMUtil.java
· OMEXMLFactory.java
· OMEXMLNode.java
· r2003fc/*

scifio:
· OMEXMLReader: Remove OMEXMLNode check
· AbstractOMEXMLMetadata: Remove 2003fc dependencies
· Remove OmeisException
· Remove OmeisImporter
· OMEXMLService: createOMEXMLRoot returns OME rather than Object
· OMEXMLServiceImpl: Add LATEST_VERSION from OMEXMLFactory
· MetadataTools: createOMEXMLRoot returns OME rather than Object

xsd-fu:
· Remove Class.template
· Remove SPW.template
AbstractOMEXMLMetadata: Remove writeXML
Fix various writer bugs exposed by using 'changeOutputFile'
Exporter plugin: fix writing to multiple files

Fixes #10635.
FormatWriter: close the output file before reinitializing
ome-xml: Remove About.java
scifio: Add XMLTools.writeXML

AbstractOMEXMLMetadata: Use XMLTools.writeXML
Prevent false positives in open file handle test

Noticed by Jenkins when using Java 1.5.
OmeisImporter: Use current ome model rather than 2003fc
OmeisImporter: Deprecate
Merge pull request #485 from melissalinkert/rebased/develop/multi-file-export

Fix export of multiple files (rebased onto develop)
Merge pull request #504 from melissalinkert/file-handle-cleanup

Prevent false positives in open file handle test
Merge pull request #482 from rleigh-dundee/remove-2003fc

Remove 2003fc and related classes