POM change: Java 9+ support (JAXB is missing now)
POM change: Java 9+ support (JAXB is missing now)

JAXB has been removed from Java9 and higher. Need to add it as a library going forward. Quick change.
bitrich-info/xchange-stream,douggie/XChange,timmolter/XChange,stachon/XChange,andre77/XChange