minor code clean-up, includes #1

output to System.out deleted (#1)
replaced beforeMarshal return type to void (boolean was wrong and resulted from wrong java api documentation)
add schemaLocation for cmd, adjust tests related to xml comparison

add test for #2
write TCF in tests of WLDObjector as not an xml fragment
modify one of text inputs (was outdated)
add generation of schemaLocation for cmd when marshaling with WLDObjector
ignore schemaLocation when comparing XMLs in tests