Future proof .travis.yml
Future proof .travis.yml

See [this announcement](http://about.travis-ci.org/blog/august-2012-upcoming-ci-environment-updates/)
fbernier/mongoid,stnguyen/mongoid,spiegela/mongoid,fredjean/mongoid,Winslett/mongoid,matsimitsu/mongoid,drobune/mongoid,niedhui/mongoid,cmpolis/mongoid,hfwang/mongoid,greggroth/mongoid,kslazarev/mongoid,estolfo/mongoid,jamesalmond/mongoid,infiverve/mongoid,itbakery/mongoid,karmakaze/mongoid,moretea/mongoid,lowang/mongoid,jordelver/mongoid,uranazo/mongoid,X0nic/mongoid,tzar/mongoid,ahoward/mongoid,fortnightlabs/mongoid,dannguyen/mongoid,aileron/mongoid,fbernier/mongoid,manikandan-kandasamy/mongoid,fortnightlabs/mongoid,janroesner/mongoid,anuprit/mongoid,rosylilly/mongoid,CIRCUITLLC/mongoid,sepastian/mongoid,balauru/mongoid,uranazo/mongoid,flada-auxv/mongoid,codedogfish/mongoid,asantamar/mongoid,praecipula/mongoid,narutosanjiv/mongoid,timgluz/mongoid,jonhyman/mongoid,gregmolnar/mongoid,elia/mongoid,mschulkind/mongoid,hashrocketeer/mongoid,robwil/mongoid,crowdtap/mongoid,mattconnolly/mongoid,dbkbali/mongoid,jbrien/mongoid,dnd/mongoid,kslazarev/mongoid,wuboy0307/mongoid,ErisExchange/mongoid,kostyantyn/mongoid,joneslee85/mongoid,mattconnolly/mongoid,gicappa/mongoid,mash-ltd/mongoid,dannguyen/mongoid,500px/mongoid,joshleitzel/mongoid,maxd/mongoid,Sharevari-Inc/mongoid,infiverve/mongoid,tagliala/mongoid,rafaelgaspar/mongoid,sepastian/mongoid,hxx/mongoid,joneslee85/mongoid,nviennot/mongoid,mysociety/mongoid,aleksclark/mongoid,lowang/mongoid,PerfectMemory/mongoid,kayakyakr/mongoid,rogerz42892/mongoid,amw/mongoid,flexoid/mongoid,gicappa/mongoid,asantamar/mongoid,jasl/mongoid,luxerama/mongoid,neerfri/mongoid,luxerama/mongoid,akm/mongoid,mongoid/mongoid,robwil/mongoid,aileron/mongoid,Azzurrio/mongoid,akirasosa/mongoid,codedogfish/mongoid,voldy/mongoid,praecipula/mongoid,joshleitzel/mongoid,cao7113/mongoid,lucasas/mongoid,brynary/mongoid,Exoth/mongoid,socialreferral/mongoid,evendis/mongoid,crealytics/mongoid,balauru/mongoid,parov/mongoid,tricknotes/mongoid,grossws/mongoid,skiz/mongoid,cmpolis/mongoid,cao7113/mongoid,goshakkk/mongoid,teaforthecat/mongoid,rpocklin/mongoid,kentaroi/mongoid,SumeruSoftware/mongoid,johnny-miyake/mongoid,mash-ltd/mongoid,karmakaze/mongoid,captain-lucas/mongoid,xentek/mongoid,jamesalmond/mongoid,jordelver/mongoid,jeyb/mongoid,Spaceghost/mongoid,apptentive-engineering/mongoid,tagliala/mongoid,ErisExchange/mongoid,flada-auxv/mongoid,wuboy0307/mongoid,demarque/mongoid,gregmolnar/mongoid,voldy/mongoid,Codas/mongoid,flexoid/mongoid,kcdragon/mongoid,itbakery/mongoid,fredjean/mongoid,mikerobe/mongoid,lackac/mongoid,etomic/mongoid,lawrencecurtis/mongoid,tricknotes/mongoid,Subskii/mongoid,simi/mongoid,alexandru-calinoiu/mongoid,uniiverse/mongoid,camallen/mongoid,irakli-janiashvili/mongoid,zaithottakath/mongoid,joshsoftware/mongoid,77Agency/mongoid,mzsanford/mongoid,mikerobe/mongoid,greggroth/mongoid,zBMNForks/mongoid,KoanHealth/mongoid,ganlron/mongoid,apptentive-engineering/mongoid,neerfri/mongoid,subhashb/mongoid,chetan/mongoid,kostyantyn/mongoid,matsimitsu/mongoid,bencrouse/mongoid,trmmy/mongoid,goshakkk/mongoid,shotoso/mongoid,spiegela/mongoid,Winslett/mongoid,drfeelngood/mongoid,dustinwatson/mongoid,nusco/mongoid,blackxored/mongoid,kuadrosx/mongoid,jtescher/mongoid,estolfo/mongoid,Exoth/mongoid,jstrocel/mongoid,irakli-janiashvili/mongoid,maxd/mongoid,tolsen/mongoid,Codas/mongoid,evansagge/mongoid,sideci-sample/sideci-sample-mongoid,elia/mongoid,rinmu/mongoid,uniiverse/mongoid,zBMNForks/mongoid,crowdtap/mongoid,nicolasblanco/mongoid,captain-lucas/mongoid,gullitmiranda/mongoid,asaaki/mongoid,mongoid/mongoid,Welovroi/mongoid,aleksclark/mongoid,sivagollapalli/mongoid,moretea/mongoid,Speakol/mongoid,zanker/mongoid,charliehq/mongoid,colinyoung/mongoid,rubrikkfabrikken/mongoid,evansagge/mongoid,Zhomart/mongoid,rosylilly/mongoid,Numerico/mongoid,bearded/mongoid,socialreferral/mongoid,CIRCUITLLC/mongoid,nullstyle/mongoid,rpocklin/mongoid,imomoisoft/mongoid,wyattisimo/mongoid,hfwang/mongoid,kevinmarvin/mongoid,wyattisimo/mongoid,jstrocel/mongoid,evendis/mongoid,ahoward/mongoid,drfeelngood/mongoid,dbkbali/mongoid,PerfectMemory/mongoid,afeld/mongoid,ganlron/mongoid,herimedia/mongoid,nviennot/mongoid,matbox/mongoid,nusco/mongoid,Zhomart/mongoid,timgluz/mongoid,jordoh/mongoid,mschulkind/mongoid,jeyb/mongoid,jbrien/mongoid,colinyoung/mongoid,jtescher/mongoid,afeld/mongoid,mzsanford/mongoid,niedhui/mongoid,brynary/mongoid,dustinwatson/mongoid,kentaroi/mongoid,hadees/mongoid,joelcogen/mongoid,zenjoy/mongoid,krasnoukhov/mongoid,SumeruSoftware/mongoid,Speakol/mongoid,subhashb/mongoid,canvas-drw/mongoid,eljojo/mongoid,Sharevari-Inc/mongoid,rogerz42892/mongoid,hbakhtiyor/mongoid,akirasosa/mongoid,glebtv/mongoid,joshsoftware/mongoid,trmmy/mongoid,narutosanjiv/mongoid,eljojo/mongoid,charliehq/mongoid,gullitmiranda/mongoid,anuprit/mongoid,manikandan-kandasamy/mongoid,Spaceghost/mongoid,bearded/mongoid,mysociety/mongoid,rubrikkfabrikken/mongoid,mongodb/mongoid,zaithottakath/mongoid,tombruijn/mongoid,kay-kim/mongoid,jordoh/mongoid,johnnyshields/mongoid,arnkorty/mongoid,bjori/mongoid,matbox/mongoid,77Agency/mongoid,tzar/mongoid,zanker/mongoid,Welovroi/mongoid,aj0strow/mongoid,stevebartholomew/mongoid,camallen/mongoid,Subskii/mongoid,lackac/mongoid,amw/mongoid,skiz/mongoid,teaforthecat/mongoid,johnny-miyake/mongoid,jasl/mongoid,rinmu/mongoid,aj0strow/mongoid,chetan/mongoid,Numerico/mongoid,parov/mongoid,kcdragon/mongoid,krasnoukhov/mongoid,Azzurrio/mongoid,mgartner/mongoid,xentek/mongoid,sideci-sample/sideci-sample-mongoid,mongodb/mongoid,joelcogen/mongoid,cpuguy83/mongoid,abezzub/mongoid,X0nic/mongoid,asaaki/mongoid,stevebartholomew/mongoid,mgartner/mongoid,glebtv/mongoid,stnguyen/mongoid,500px/mongoid,zenjoy/mongoid,herimedia/mongoid,grossws/mongoid,kay-kim/mongoid,nullstyle/mongoid,sivagollapalli/mongoid,alexandru-calinoiu/mongoid,arnkorty/mongoid,kevinmarvin/mongoid,drobune/mongoid,hashrocketeer/mongoid,akm/mongoid,hadees/mongoid,rafaelgaspar/mongoid,kayakyakr/mongoid,imomoisoft/mongoid,hxx/mongoid,demarque/mongoid,bjori/mongoid,blackxored/mongoid,janroesner/mongoid,lawrencecurtis/mongoid,johnnyshields/mongoid,crealytics/mongoid,jonhyman/mongoid,etomic/mongoid,mongodb/mongoid,KoanHealth/mongoid,lucasas/mongoid,abezzub/mongoid,tombruijn/mongoid,canvas-drw/mongoid,bencrouse/mongoid,hbakhtiyor/mongoid,tolsen/mongoid,shotoso/mongoid,kuadrosx/mongoid,simi/mongoid,cpuguy83/mongoid,dnd/mongoid