Fix broken TravisCI image
Fix broken TravisCI image

Need to use https instead of http (see https://github.com/travis-ci/travis-ci/issues/263)
markgeek/grape,oivoodoo/grape,changx/grape,jhecking/grape,bcm/grape,flyerhzm/grape,mbleigh/grape,elliotlarson/grape,dslh/grape,maxprig/grape,Ivanknmk/grape,generalassembly/grape,aserafin/grape,ManjunathaN/grape,franzliedke/grape,Ebooom/grape,alexandru-calinoiu/grape,MichaelXavier/grape,alovak/grape,ctembreull/grape,danielspector/grape,jyn/grape,cutalion/grape,CD1212/grape,brainyandbrown/grape,Sage/grape,tricknotes/grape,kbarrette/grape,rh/grape,Radagaisus/grape,justinmcp/grape,jrforrest/grape,samotarnik/grape,QuickPay/grape,ryancheung/grape,niedhui/grape,jlfaber/grape,whouses/grape,bernd/grape,fixme/grape,ronald/grape,stefl/grape,masarakki/grape,phusion/grape,reprah/grape,unorthodoxgeek/grape,brynary/grape,xcambar/grape,verlinden/grape,arvida/grape,evjan/grape,knappe/grape,wakeless/grape,rhunter/grape,rubyinhell/grape,jrhe/grape,kiela/grape,hpcloud/grape,uberjay/grape,zimbatm/grape,jackdesert/grape,lucaspiller/grape,sideci-sample/sideci-sample-grape,mateuszkosmider/grape,hobofan/grape,tildeio/grape,arthurnn/grape,shunyam/grape,fuCtor/grape,reynardmh/grape,fangzhu19880123/grape,marshall-lee/grape,panarom/grape,jugyo/grape,jerrod/grape,thogg4/grape,zbelzer/grape,strathmeyer/grape,hnq90/grape,ctdean/grape,nikolai-b/grape,namusyaka/grape,aiwilliams/grape,johnallen3d/grape,octoly/grape,karlfreeman/grape,politician/grape,dpsk/grape,donbobka/grape,fuksito/grape,rrrene/grape,LIQIDTechnology/grape,pvijayror/grape,benschwarz/grape,ev3nly/grape,SPBTV/grape,dreinavarro/grape,lasseebert/grape,intridea/grape,simplymeasured/grape,ruby-grape/grape,walski/grape,rnubel/grape,reedloden/grape,hc5duke/grape,mcclumpherty/grape,DarkSwoop/grape,tylerdooling/grape,cyberid41/grape,wyattisimo/grape,gustavosaume/grape,krufyliu/grape,thetamind/grape,ManjunathaN/grape,marcusg/grape,agileanimal/grape,seanmoon/grape,TomasLinhart/grape,peterwillcn/grape,ejholmes/grape,virajs/grape,aw/grape,balasankarc/grape,ferdinandrosario/grape,klaustopher/grape,edelgado/grape,andyw8/grape,ovargas27/grape,suan/grape,balauru/grape,Nordstrom/grape,arunthampi/grape,ramarnat/grape,siong1987/grape,dnd/grape,yonglehou/grape,oliveiradev/grape,rymai/grape,asross/grape,croeck/grape,xurde/grape,jbarreneche/grape,jtmarmon/grape,AF83/grape,karayusuf/grape,maxlinc/grape,dsager/grape,xevix/grape,camertron/camertron-grape,salimane/grape,dblock/grape,gencer/grape,Diggerlab/grape,simonask/grape,tim-vandecasteele/grape,dquimper/grape,reset/grape