added assert to DTCoreTextFontDescriptor.
added assert to DTCoreTextFontDescriptor.

barz/DTCoreText,Torsph/DTCoreText,cnbin/DTCoreText,i-miss-you/DTCoreText,mirego/DTCoreText,artifacts/DTCoreText,barz/DTCoreText,wangmb/DTCoreText,rgregg/DTCoreText,kemenaran/DTCoreText,iwakevin/DTCoreText,zulip/DTCoreText,badoo/DTCoreText,SanjoDeundiak/DTCoreText,wweiradio/DTCoreText,niklassaers/DTCoreText,CoderJWYang/DTCoreText,DanGe42/DTCoreText,gsempe/DTCoreText,liulinjian/DTCoreText,artifacts/DTCoreText,zulip/DTCoreText,yaoxiaoyong/DTCoreText,shuoshi/DTCoreText,SanjoDeundiak/DTCoreText,AmberWhiteSky/DTCoreText,Esdeath/DTCoreText,ricobeck/DTCoreText,z8927623/DTCoreText,jingchunYuan/DTCoreText,unisontech/DTCoreText,niklassaers/DTCoreText,holgersindbaek/DTCoreText,bnickel/DTCoreText,gsempe/DTCoreText,devontech/DTCoreText,AmberWhiteSky/DTCoreText,badoo/DTCoreText,youprofit/DTCoreText,rain1988/DTCoreText,bnickel/DTCoreText,Cocoanetics/DTCoreText,shuoshi/DTCoreText,wweiradio/DTCoreText,rain1988/DTCoreText,gank0326/CoreTextWithHTML,Akylas/DTCoreText,jjamminjim/DTCoreText,depl0y/DTCoreText,programming086/DTCoreText,appunite/DTCoreText,z8927623/DTCoreText,artifacts/DTCoreText,rgregg/DTCoreText,1yvT0s/DTCoreText,davbeck/DTCoreText,sidslog/DTCoreText,goodheart/DTCoreText,qskycolor/DTCoreText,w2592583/DTCoreText,DanGe42/DTCoreText,devontech/DTCoreText,wweiradio/DTCoreText,gnr/DTCoreText,canyu9512/DTCoreText,Cocoanetics/DTCoreText,goodheart/DTCoreText,sujeking/DTCoreText,artifacts/DTCoreText,liuslevis/DTCoreText,appunite/DTCoreText,cnbin/DTCoreText,openresearch/DTCoreText,iwakevin/DTCoreText,sujeking/DTCoreText,qskycolor/DTCoreText,wlisac/DTCoreText,kemenaran/DTCoreText,gank0326/CoreTextWithHTML,thusfresh/DTCoreText,unisontech/DTCoreText,1yvT0s/DTCoreText,wangmb/DTCoreText,mirego/DTCoreText,jingchunYuan/DTCoreText,esteluk/DTCoreText,canyu9512/DTCoreText,i-miss-you/DTCoreText,depl0y/DTCoreText,wlisac/DTCoreText,Cocoanetics/DTCoreText,Akylas/DTCoreText,xiaoyanit/DTCoreText,liulinjian/DTCoreText,pivotaltracker/DTCoreText,davbeck/DTCoreText,thusfresh/DTCoreText,ricobeck/DTCoreText