[ENTESB-2844] Add required imports to make mvn: protocol work behind auth proxy
[ENTESB-2844] Add required imports to make mvn: protocol work behind auth proxy

jonathanchristison/fabric8,avano/fabric8,jludvice/fabric8,jludvice/fabric8,jonathanchristison/fabric8,punkhorn/fabric8,avano/fabric8,chirino/fabric8,jonathanchristison/fabric8,avano/fabric8,punkhorn/fabric8,punkhorn/fabric8,jludvice/fabric8,jludvice/fabric8,avano/fabric8,chirino/fabric8,chirino/fabric8,chirino/fabric8,punkhorn/fabric8,jonathanchristison/fabric8