Add .cson to CoffeeScript extensions
Add .cson to CoffeeScript extensions

jtbandes/linguist,ya7lelkom/linguist,adamkaplan/linguist,phpsgi/linguist,matt40k/linguist,kyoungrok0517/linguist,phpsgi/linguist,chiranjeevjain/linguist,Mx7f/linguist,thejameskyle/linguist,erkyrath/linguist,Rockyspade/linguist,scttnlsn/linguist,gitlabhq/linguist,thejameskyle/linguist,martynbm/linguist,erkyrath/linguist,martynbm/linguist,Rockyspade/linguist,MadcapJake/linguist,adamkaplan/linguist,sebgod/linguist,sebgod/linguist,stanhu/linguist,assimovt/ling-ist,ppaulweber/github-linguist,Mailaender/linguist,bluebear94/linguist,douglas-larocca/linguist,blakeembrey/linguist,osorgin/linguist,MahmoudFayed/linguist,hcatlin/linguist,github/linguist,c-lipka/linguist,chiranjeevjain/linguist,maxogden/linguist,erkyrath/linguist,whitj00/linguist,JJ/linguist,github/linguist,marcojonker/test,ammaraskar/linguist,yyx990803/linguist,R4PaSs/linguist,steventhanna/linguist,R4PaSs/linguist,osorgin/linguist,Mx7f/linguist,alitalia/linguist,jjatria/linguist,jrnold/linguist,assimovt/ling-ist,BerkeleyTrue/linguist,marcojonker/test,MahmoudFayed/linguist,ya7lelkom/linguist,ppaulweber/github-linguist,davidzchen/linguist,MadcapJake/linguist,scttnlsn/linguist,matt40k/linguist,CoderXpert/linguist,CegepVictoriaville/linguist,manveru/linguist,whitj00/linguist,JJ/linguist,sebgod/linguist,SRI-CSL/linguist,pchaigno/linguist,a0viedo/linguist,davidzchen/linguist,c-lipka/linguist,seanders/linguist,wcandillon/linguist,mattn/linguist,JJ/linguist,github/linguist,meunierfrederic/octocatlinguist,douglas-larocca/linguist,hcutler/linguist,iblech/linguist,kyoungrok0517/linguist,yscho/linguist,stanhu/linguist,CegepVictoriaville/linguist,ilyes14/linguist,alvarotrigo/linguist,alvarotrigo/linguist,nburkley/linguist,PsichiX/linguist,sebgod/linguist,pchaigno/linguist,hcatlin/linguist,jjatria/linguist,sagar290/linguist,mcandre/linguist,manveru/linguist,meunierfrederic/octocatlinguist,github/linguist,stanhu/linguist,mcandre/linguist,iblech/linguist,erkyrath/linguist,0a-/linguist,tschf/linguist,cokeboL/linguist,kr/linguist,anhongyue/test222,PsichiX/linguist,mwpastore/linguist,BerkeleyTrue/linguist,seanders/linguist,sideci-sample/sideci-sample-linguist,kr/linguist,ilyes14/linguist,meunierfrederic/octocatlinguist,georgesuperman/linguist,SRI-CSL/linguist,alitalia/linguist,christop/linguist,jtbandes/linguist,bluebear94/linguist,sideci-sample/sideci-sample-linguist,stanhu/linguist,wcandillon/linguist,pchaigno/linguist,MostAwesomeDude/linguist,ChaiScript/linguist,yyx990803/linguist,mwpastore/linguist,MostAwesomeDude/linguist,cokeboL/linguist,0a-/linguist,mattn/linguist,sagar290/linguist,cybernet14/linguist,cybernet14/linguist,blakeembrey/linguist,christop/linguist,hcutler/linguist,nburkley/linguist,FStarLang/linguist,pcantrell/linguist,pcantrell/linguist,georgesuperman/linguist,a0viedo/linguist,JJ/linguist,yyx990803/linguist,steventhanna/linguist,CoderXpert/linguist,jrnold/linguist,igat259/linguist,FStarLang/linguist,ammaraskar/linguist,pchaigno/linguist,Ocramius/linguist,yyx990803/linguist,yscho/linguist,anhongyue/test222,tschf/linguist