tlbBuilder: use new "tlbSavePath" argument of extractor for test-export

Signed-off-by: Martin Zenzes <martin.zenzes@dfki.de>
tlbBuilder: llvm::cl:opt<> is a nice template, dont need to copy the contents

Signed-off-by: Martin Zenzes <martin.zenzes@dfki.de>
tlbBuilder: don't always dump to cout, only if no tlbSavepath was given

Signed-off-by: Martin Zenzes <martin.zenzes@dfki.de>
tlbBuilder: make options global, change some printing

Signed-off-by: Martin Zenzes <martin.zenzes@dfki.de>
tlbBuilder: current set of tlb-exported files

now in _the_ xml-format

Signed-off-by: Martin Zenzes <martin.zenzes@dfki.de>