Removed the Rails20 callback compatibility module, since we're dropping 2.0.* support
Removed the Rails20 callback compatibility module, since we're dropping 2.0.* support

yukas/paperclip,tylerwillingham/paperclip,tiegz/paperclip,mrgilman/paperclip,joshisa/paperclip,freeslugs/paperclip,onursarikaya/paperclip,mrb/paperclip,joshisa/paperclip,Cohealo/paperclip,frankpinto/paperclip,agcantarelli/paperclip,12spokes/paperclip,pc-doctor/paperclip,jonathandean/paperclip_tod,medcat/paperclip,sopheak-se/paperclip,hooroo/paperclip,mrgilman/paperclip,victorngkp/paperclip,bookis/paperclip,Leadformance/paperclip,justanshulsharma/paperclip,mdkalish/paperclip,Sporky023/paperclip,danielwanja/paperclip,gfvcastro/paperclip,greatbody/paperclip,carnivalmobile/paperclip,raow/paperclip,alexandrz/paperclip,raow/paperclip,ScotterC/paperclip,justanshulsharma/paperclip,zurb/paperclip,mehulkar/paperclip,howaboutwe/paperclip,maintux/paperclip,onursarikaya/paperclip,keathley/paperclip,rpbaptist/paperclip,medcat/paperclip,cmaion/paperclip,sopheak-se/paperclip,tylerwillingham/paperclip,crowdtap/paperclip,sijn/paperclip-fork,bdewater/paperclip,best-teacher/paperclip-old,dgynn/paperclip,rpbaptist/paperclip,dgynn/paperclip,frankpinto/paperclip,felipemathies/paperclip,freeslugs/paperclip,aditya01933/paperclip,ScotterC/paperclip,soramugi/paperclip,bdewater/paperclip,liveminds/paperclip,pandamako/paperclip,maintux/paperclip,mehulkar/paperclip,soramugi/paperclip,InesCARodrigues/paperclip,aditya01933/paperclip,mrb/paperclip,quadule/paperclip,keathley/paperclip,liveminds/paperclip,gfvcastro/paperclip,kerrizor/paperclip,betesh/paperclip,mdkalish/paperclip,Leadformance/paperclip,itkin/paperclip,manorie/paperclip,meskyanichi/paperclip,zurb/paperclip,carnivalmobile/paperclip,betesh/paperclip,crowdtap/paperclip,cmaion/paperclip,InesCARodrigues/paperclip,alexandrz/paperclip,pcorliss/paperclip,Cohealo/paperclip,manorie/paperclip,greatbody/paperclip,degica/paperclip,dosire/paperclip,Flameeyes/paperclip,degica/paperclip,Sporky023/paperclip,felipemathies/paperclip,pandamako/paperclip,victorngkp/paperclip,sideci-sample/sideci-sample-paperclip,fxposter/paperclip,agcantarelli/paperclip,tiegz/paperclip