METRON-1008 Migrate Travis build to use Trusty (jjmeyer via justinleet) closes apache/metron#633
METRON-1008 Migrate Travis build to use Trusty (jjmeyer via justinleet) closes apache/metron#633

nickwallen/incubator-metron,nickwallen/metron,zezutom/metron,nickwallen/incubator-metron,nickwallen/incubator-metron,cestella/incubator-metron,jjmeyer0/incubator-metron,kylerichardson/incubator-metron,ottobackwards/incubator-metron,JonZeolla/metron,ottobackwards/metron,mattf-horton/metron,justinleet/incubator-metron,JonZeolla/incubator-metron,ottobackwards/incubator-metron,justinleet/incubator-metron,ottobackwards/metron,nickwallen/metron,kylerichardson/metron,justinleet/incubator-metron,mmiklavc/metron,nickwallen/incubator-metron,basvdl/incubator-metron,ottobackwards/incubator-metron,mattf-horton/incubator-metron,dlyle65535/incubator-metron,nickwallen/metron,dlyle65535/incubator-metron,dlyle65535/metron,JonZeolla/incubator-metron,nickwallen/metron,mmiklavc/incubator-metron,mmiklavc/incubator-metron,kylerichardson/metron,dlyle65535/incubator-metron,JonZeolla/incubator-metron,JonZeolla/metron,justinleet/incubator-metron,mattf-horton/incubator-metron,mmiklavc/incubator-metron,mmiklavc/incubator-metron,iraghumitra/incubator-metron,jjmeyer0/incubator-metron,anandsubbu/incubator-metron,justinleet/metron,ottobackwards/metron,mattf-horton/metron,mmiklavc/incubator-metron,basvdl/incubator-metron,mmiklavc/incubator-metron,anandsubbu/incubator-metron,kylerichardson/metron,kylerichardson/metron,mattf-horton/metron,ottobackwards/incubator-metron,apache/incubator-metron,cestella/incubator-metron,kylerichardson/incubator-metron,cestella/incubator-metron,mattf-horton/incubator-metron,iraghumitra/incubator-metron,dlyle65535/incubator-metron,iraghumitra/incubator-metron,kylerichardson/incubator-metron,basvdl/incubator-metron,basvdl/incubator-metron,justinleet/incubator-metron,zezutom/metron,cestella/incubator-metron,cestella/incubator-metron,iraghumitra/incubator-metron,mmiklavc/incubator-metron,JonZeolla/incubator-metron,dlyle65535/metron,anandsubbu/incubator-metron,basvdl/incubator-metron,mattf-horton/incubator-metron,jjmeyer0/incubator-metron,mmiklavc/incubator-metron,justinleet/incubator-metron,justinleet/metron,dlyle65535/metron,apache/incubator-metron,nickwallen/metron,JonZeolla/metron,anandsubbu/incubator-metron,dlyle65535/metron,iraghumitra/incubator-metron,zezutom/metron,jjmeyer0/incubator-metron,nickwallen/incubator-metron,JonZeolla/metron,mattf-horton/metron,kylerichardson/incubator-metron,justinleet/metron,anandsubbu/incubator-metron,nickwallen/metron,nickwallen/incubator-metron,nickwallen/metron,dlyle65535/incubator-metron,JonZeolla/incubator-metron,apache/incubator-metron,mattf-horton/incubator-metron,mattf-horton/metron,ottobackwards/metron,apache/incubator-metron,dlyle65535/metron,mmiklavc/incubator-metron,mattf-horton/incubator-metron,dlyle65535/incubator-metron,apache/incubator-metron,JonZeolla/incubator-metron,anandsubbu/incubator-metron,zezutom/metron,kylerichardson/metron,jjmeyer0/incubator-metron,ottobackwards/incubator-metron,cestella/incubator-metron,mattf-horton/incubator-metron,justinleet/metron,nickwallen/metron,iraghumitra/incubator-metron,mattf-horton/metron,mmiklavc/metron,JonZeolla/metron,kylerichardson/metron,dlyle65535/metron,ottobackwards/metron,kylerichardson/metron,mmiklavc/metron,JonZeolla/metron,dlyle65535/incubator-metron,basvdl/incubator-metron,ottobackwards/incubator-metron,JonZeolla/metron,JonZeolla/metron,mmiklavc/metron,zezutom/metron,kylerichardson/incubator-metron,apache/incubator-metron,nickwallen/incubator-metron,dlyle65535/metron,zezutom/metron,kylerichardson/incubator-metron,mattf-horton/metron,ottobackwards/metron,justinleet/incubator-metron,mmiklavc/metron,zezutom/metron,justinleet/incubator-metron,apache/incubator-metron,justinleet/metron,iraghumitra/incubator-metron,cestella/incubator-metron,mmiklavc/metron,justinleet/metron,justinleet/metron,mattf-horton/metron,dlyle65535/incubator-metron,zezutom/metron,basvdl/incubator-metron,jjmeyer0/incubator-metron,nickwallen/incubator-metron,ottobackwards/incubator-metron,justinleet/metron,kylerichardson/metron,mmiklavc/metron,jjmeyer0/incubator-metron,cestella/incubator-metron,apache/incubator-metron,dlyle65535/metron,kylerichardson/incubator-metron,ottobackwards/metron,JonZeolla/incubator-metron,anandsubbu/incubator-metron,justinleet/incubator-metron,ottobackwards/incubator-metron,JonZeolla/incubator-metron,nickwallen/incubator-metron,dlyle65535/metron,mattf-horton/incubator-metron,dlyle65535/incubator-metron,mmiklavc/metron,ottobackwards/metron,basvdl/incubator-metron,ottobackwards/incubator-metron,anandsubbu/incubator-metron,iraghumitra/incubator-metron,apache/incubator-metron,kylerichardson/incubator-metron,zezutom/metron,jjmeyer0/incubator-metron,JonZeolla/incubator-metron,mattf-horton/incubator-metron,basvdl/incubator-metron