Fixed problem where an asynchronous lazy image delegate call would cause custom subviews to disappear
Fixed problem where an asynchronous lazy image delegate call would cause custom subviews to disappear

If the lazy image is already in cache then it needs to tell the content view in the same run loop.

Fixes #323

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