adding distribute python package to install during tests. Partial-Bug:#1460245
adding distribute python package to install during tests.
Partial-Bug:#1460245

Change-Id: I972d879cf23c535b3ab8fcd903bf7e7e8449b85b

eonpatapon/contrail-controller,eonpatapon/contrail-controller,DreamLab/contrail-controller,vmahuli/contrail-controller,sajuptpm/contrail-controller,eonpatapon/contrail-controller,codilime/contrail-controller,facetothefate/contrail-controller,numansiddique/contrail-controller,vmahuli/contrail-controller,rombie/contrail-controller,rombie/contrail-controller,DreamLab/contrail-controller,codilime/contrail-controller,sajuptpm/contrail-controller,hthompson6/contrail-controller,numansiddique/contrail-controller,sajuptpm/contrail-controller,tcpcloud/contrail-controller,reiaaoyama/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,codilime/contrail-controller,facetothefate/contrail-controller,tcpcloud/contrail-controller,facetothefate/contrail-controller,rombie/contrail-controller,numansiddique/contrail-controller,vpramo/contrail-controller,numansiddique/contrail-controller,facetothefate/contrail-controller,nischalsheth/contrail-controller,numansiddique/contrail-controller,codilime/contrail-controller,facetothefate/contrail-controller,hthompson6/contrail-controller,nischalsheth/contrail-controller,nischalsheth/contrail-controller,sajuptpm/contrail-controller,sajuptpm/contrail-controller,nischalsheth/contrail-controller,vpramo/contrail-controller,tcpcloud/contrail-controller,eonpatapon/contrail-controller,vmahuli/contrail-controller,tcpcloud/contrail-controller,vpramo/contrail-controller,codilime/contrail-controller,tcpcloud/contrail-controller,hthompson6/contrail-controller,nischalsheth/contrail-controller,hthompson6/contrail-controller,vpramo/contrail-controller,sajuptpm/contrail-controller,eonpatapon/contrail-controller,DreamLab/contrail-controller,vpramo/contrail-controller,codilime/contrail-controller,vmahuli/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,hthompson6/contrail-controller,tcpcloud/contrail-controller,rombie/contrail-controller,eonpatapon/contrail-controller,nischalsheth/contrail-controller,DreamLab/contrail-controller,vmahuli/contrail-controller,reiaaoyama/contrail-controller,reiaaoyama/contrail-controller,rombie/contrail-controller,DreamLab/contrail-controller,reiaaoyama/contrail-controller,reiaaoyama/contrail-controller,rombie/contrail-controller