Maven Poms Cleanup

Fix location of maven xsd so it doesn't result in redirects.
Change <name> colon to dash so it is easily imported into myEclipse
Added missing xml version tag where missing
Exclude javaee xalan dependency from jboss as it isn't readily available
via central and unnecessary for build.
Move modeVersion to same location in all poms.
Added plugin execution filter

Added plugin execution filter for richfaces-cdk-maven-plugin.