Add smoke-test.
Add smoke-test.

This script is simple: it merely performs a syntax error
test on the .coffee files in src and src's subdirs.

melexis/melexis-hubot,awbauer/hubot,fstehle/hubot,RavenB/hubot,scboucher/hubot,rlugojr/hubot,b3nj4m/hubot,jasonrhodes/botzero,eshamow/gutterbot,vkhang55/hubot,kristenmills/hubot,bradparks/hubot__github_chat_bot,krahman/hubot,yujiroarai/hws-hubot,jasonkarns/hubot,nandub/hubot,codydaig/hubot,keyvanakbary/hubot,joshsobota/hubot,PropertyUX/nubot,edorsey/hubot,github/hubot,zvelo/hubot,sdimkov/hubot,ooohiroyukiooo/hubot,mjurczyk/hubot,mrb/hubot,wyncode/hubot,lukw00/hubot,PropertyUX/nubot,alex-zhang/hubot,WaleedAshraf/hubot,ajschex/hubot,howprice/hubot,hubotio/hubot,decaffeinate-examples/hubot,jianchen2580/hubot,lisb/hubot,ddmng/brazil82-hubot,iDTLabssl/hubot,mcanthony/hubot,taojuntjpp/hubot,hotrannam/hubot,makii42/hubot,decaffeinate-examples/hubot,limianwang/hubot,sharabash/hubot,minted/hubot,ajayanandgit/hubot,msound/hubot,wieden-kennedy/hubot,hcxiong/hubot,Drooids/hubot,skcript/skubot,ClaudeBot/hubot,GrimDerp/hubot,jschell/hubot,dopeboy/hubot,CobyR/hubot,leohmoraes/hubot,Hartmarken/hubot,hubotio/hubot,bgranberry/hubot,poppingtonic/hubot,rmdelo/appboy-hubot,pchaigno/hubot,voltsdigital/hubot,scboucher/hubot,fgbreel/hubot,doudoupower/hubot,davidkassa/hubot,geoffreyanderson/hubot,shinvdu/hubot,ouadie-lahdioui/hubot,tiagochiavericosta/hubot,lisb/hubot,aslihandincer/hubot,mujiansu/hubot,mauricionr/hubot,ykelvis/hubot,cameronmcefee/hubot,lisb/hubot,alucardzhou/hubot,daudich/hubot,kgrz/hubot,kkirsche/hubot,julianromera/hubot,michaelansel/hubot,brodul/hubot,craig5/hubot,cycomachead/hubot,eetuuuu/hubot,Mattlk13/Hubot,blackwellops/hubot,Snorlock/hubot,plated/hubot,danielcompton/hubot,AlexandrPuryshev/hubot,nandub/hubot,mutewinter/hubot,RiddickSky/hubot,rafaell-lycan/Hubot-X9,gregkare/hubot,github/hubot,chadfurman/hubot,ykusumi/test-hubot,mchill/hubot,Arthraim/merlin