Added .tmTheme as XML extension
Added .tmTheme as XML extension

Files with the `.tmTheme` extension similar to `.tmCommand`, `.tmLanguage`, `.tmPreferences` and `.tmSnippet` are configuration XML files for TextMate or SublimeText.

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