travis: use docker containers
travis: use docker containers

The docker containers are far more abundant and
offer vastly reduced boot time and some increased
CPU power. As long as you don't require 'sudo',
this is the way to go.

http://blog.travis-ci.com/2014-12-17-faster-builds-with-container-based-infrastructure/

kolodny/mocha,mochajs/mocha,kolodny/mocha,upfrontIO/mocha,upfrontIO/mocha,rstacruz/mocha,verkkokauppacom/mocha,joshski/mocha,luxe-eng/valet-express.mocha,wltsmrz/mocha,netei/mocha,boneskull/mocha,Khan/mocha,netei/mocha,pandeysoni/mocha,santiagoaguiar/mocha,jjoos/mocha,rlugojr/mocha,rstacruz/mocha,GerHobbelt/mocha,pumpupapp/mocha,geometrybase/mocha,GerHobbelt/mocha,youprofit/mocha,santiagoaguiar/mocha,nexdrew/mocha,verkkokauppacom/mocha,rstacruz/mocha,santiagoaguiar/mocha,benvinegar/mocha,ELLIOTTCABLE/mocha,mysterycommand/mocha,adamgruber/mocha,node-rookie/mocha,ELLIOTTCABLE/mocha,adamgruber/mocha,aaroncrows/mocha,joshski/mocha,charlie77/mocha,igwejk/mocha,KevinTCoughlin/mocha,kyroskoh/mocha,node-rookie/mocha,menelaos/mocha-solarized,sul4bh/mocha,pumpupapp/mocha,a8m/mocha,woodyrew/mocha,cleberar38/mocha,benvinegar/mocha,outsideris/mocha,JohnnyEstilles/mocha,jjoos/mocha,a8m/mocha,nexdrew/mocha,netei/mocha,JohnnyEstilles/mocha,ianwremmel/mocha,jkresner/mocha,jasonkarns/mocha,rlugojr/mocha,sul4bh/mocha,nightwatchjs/mocha-nightwatch,irnc/mocha,a8m/mocha,jjoos/mocha,hoverduck/mocha,kevinburke/mocha,Shyp/mocha,upfrontIO/mocha,kyroskoh/mocha,rlugojr/mocha,mbovel/mocha,DeNA/mocha,moander/mocha,tinganho/mocha,mbovel/mocha,mbovel/mocha,youprofit/mocha,mysterycommand/mocha,antoval/mocha,apkiernan/mocha,woodyrew/mocha,jasonkarns/mocha,youprofit/mocha,ryanshawty/mocha,GranitB/mocha,irnc/mocha,beni55/mocha,luxe-eng/valet-express.mocha,GranitB/mocha,sul4bh/mocha,antoval/mocha,moander/mocha,nexdrew/mocha,KevinTCoughlin/mocha,Shyp/mocha,pandeysoni/mocha,nightwatchjs/mocha-nightwatch,wltsmrz/mocha,phated/mocha,mponizil/mocha,hashcube/mocha,GabrielNicolasAvellaneda/mocha,phated/mocha,woodyrew/mocha,geometrybase/mocha,adamgruber/mocha,pumpupapp/mocha,ajaykodali/mocha,jkresner/mocha,aaroncrows/mocha,Phoenixmatrix/mocha,IveWong/mocha,KevinTCoughlin/mocha,beatfactor/mocha,hoverduck/mocha,Hacker0x01/mocha,moander/mocha,antoval/mocha,jkresner/mocha,apkiernan/mocha,DeNA/mocha,ryanshawty/mocha,kevinburke/mocha,mysterycommand/mocha,tswaters/mocha,phated/mocha,boneskull/mocha,Shyp/mocha,geometrybase/mocha,Phoenixmatrix/mocha,GabrielNicolasAvellaneda/mocha,hoverduck/mocha,menelaos/mocha-solarized,verkkokauppacom/mocha,beatfactor/mocha,aaroncrows/mocha,beni55/mocha,hashcube/mocha,hashcube/mocha,gaye/mocha,nightwatchjs/mocha-nightwatch,IveWong/mocha,GabrielNicolasAvellaneda/mocha,apkiernan/mocha,ryanshawty/mocha,irnc/mocha,outsideris/mocha,benvinegar/mocha,Hacker0x01/mocha,ianwremmel/mocha,igwejk/mocha,wltsmrz/mocha,tinganho/mocha,JohnnyEstilles/mocha,tswaters/mocha,ajaykodali/mocha,kyroskoh/mocha,hoverduck/mocha,jbnicolai/mocha,ELLIOTTCABLE/mocha,GranitB/mocha,tswaters/mocha,charlie77/mocha,ajaykodali/mocha,pandeysoni/mocha,imsobear/mocha,cleberar38/mocha,boneskull/mocha,Khan/mocha,imsobear/mocha,mponizil/mocha,jbnicolai/mocha,villesau/mocha,node-rookie/mocha,villesau/mocha,Hacker0x01/mocha,cleberar38/mocha,GerHobbelt/mocha,luxe-eng/valet-express.mocha,tinganho/mocha,mochajs/mocha,imsobear/mocha,IveWong/mocha,Khan/mocha,DeNA/mocha,jbnicolai/mocha,kolodny/mocha,beatfactor/mocha,jasonkarns/mocha,kevinburke/mocha,menelaos/mocha-solarized,beni55/mocha,charlie77/mocha,joshski/mocha,mochajs/mocha,Phoenixmatrix/mocha,villesau/mocha,gaye/mocha,ianwremmel/mocha,gaye/mocha,mponizil/mocha