Add support of kCTParagraphStyleSpecifierParagraphSpacingBefore
Add support of kCTParagraphStyleSpecifierParagraphSpacingBefore

SanjoDeundiak/DTCoreText,goodheart/DTCoreText,xiaoyanit/DTCoreText,canyu9512/DTCoreText,appunite/DTCoreText,qskycolor/DTCoreText,Akylas/DTCoreText,gamma/DTCoreText,iwakevin/DTCoreText,bnickel/DTCoreText,artifacts/DTCoreText,holgersindbaek/DTCoreText,gnr/DTCoreText,ipodishima/DTCoreText,artifacts/DTCoreText,iwakevin/DTCoreText,benanderman/DTCoreText,shuoshi/DTCoreText,pivotaltracker/DTCoreText,depl0y/DTCoreText,mirego/DTCoreText,badoo/DTCoreText,yaoxiaoyong/DTCoreText,youprofit/DTCoreText,niklassaers/DTCoreText,artifacts/DTCoreText,Torsph/DTCoreText,depl0y/DTCoreText,smartlogic/DTCoreText,danielphillips/DTCoreText,i-miss-you/DTCoreText,canyu9512/DTCoreText,z8927623/DTCoreText,pegli/DTCoreText,wlisac/DTCoreText,artifacts/DTCoreText,pegli/DTCoreText,MattKiazyk/DTCoreText,smartlogic/DTCoreText,MattKiazyk/DTCoreText,badoo/DTCoreText,siuying/DTCoreText,AmberWhiteSky/DTCoreText,w2592583/DTCoreText,barz/DTCoreText,wweiradio/DTCoreText,i-miss-you/DTCoreText,trispo/DTCoreText,openresearch/DTCoreText,unisontech/DTCoreText,wweiradio/DTCoreText,gamma/DTCoreText,1yvT0s/DTCoreText,SanjoDeundiak/DTCoreText,Akylas/DTCoreText,rain1988/DTCoreText,kemenaran/DTCoreText,liuslevis/DTCoreText,bastianh/DTCoreText,devontech/DTCoreText,DanGe42/DTCoreText,beingenious/DTCoreText,thusfresh/DTCoreText,programming086/DTCoreText,Cocoanetics/DTCoreText,AmberWhiteSky/DTCoreText,ipodishima/DTCoreText,cnbin/DTCoreText,wordnik/DTCoreText,cnbin/DTCoreText,hkg36/DTCoreText_amen_mod,davbeck/DTCoreText,DanGe42/DTCoreText,zulip/DTCoreText,trispo/DTCoreText,wordnik/DTCoreText,liulinjian/DTCoreText,tonycn/DTCoreText,siuying/DTCoreText,appunite/DTCoreText,jingchunYuan/DTCoreText,benanderman/DTCoreText,wangmb/DTCoreText,beingenious/DTCoreText,sujeking/DTCoreText,jingchunYuan/DTCoreText,danielphillips/DTCoreText,jogloran/DTCoreText,barz/DTCoreText,niklassaers/DTCoreText,kemenaran/DTCoreText,gsempe/DTCoreText,zulip/DTCoreText,shuoshi/DTCoreText,z8927623/DTCoreText,goodheart/DTCoreText,ricobeck/DTCoreText,brightec/DTCoreText,thusfresh/DTCoreText,beingenious/DTCoreText,mirego/DTCoreText,OliverLetterer/DTCoreText,shwetsolanki/DTCoreText,ricobeck/DTCoreText,Cocoanetics/DTCoreText,gsempe/DTCoreText,OliverLetterer/DTCoreText,qskycolor/DTCoreText,jjamminjim/DTCoreText,rgregg/DTCoreText,tonycn/DTCoreText,ibru/DTCoreText,1yvT0s/DTCoreText,danielphillips/DTCoreText,sidslog/DTCoreText,rdougan/DTCoreText,CoderJWYang/DTCoreText,rgregg/DTCoreText,wordnik/DTCoreText,davbeck/DTCoreText,unisontech/DTCoreText,Esdeath/DTCoreText,bastianh/DTCoreText,yifan/DTCoreText,rain1988/DTCoreText,esteluk/DTCoreText,wweiradio/DTCoreText,gank0326/CoreTextWithHTML,devontech/DTCoreText,yifan/DTCoreText,Cocoanetics/DTCoreText,rdougan/DTCoreText,hkg36/DTCoreText_amen_mod,jogloran/DTCoreText,wlisac/DTCoreText,liulinjian/DTCoreText,bnickel/DTCoreText,siuying/DTCoreText,yifan/DTCoreText,sujeking/DTCoreText,rdougan/DTCoreText,wangmb/DTCoreText,trispo/DTCoreText,gank0326/CoreTextWithHTML,ibru/DTCoreText,brightec/DTCoreText,pegli/DTCoreText