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
Merge pull request #156 from GordonSmith/VER_5_0_0_4

Update Version to 5.0.0.4

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>