Update Version to 5.0.0.4

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>

Conflicts:
	org.hpccsystems.ecldoc/META-INF/MANIFEST.MF
	org.hpccsystems.eclide/META-INF/MANIFEST.MF
	org.hpccsystems.eclsoap/META-INF/MANIFEST.MF
	org.hpccsystems.feature/feature.xml
	org.hpccsystems.updatesite/site.xml