Put the helper methods into Paperclip::Task module
Put the helper methods into Paperclip::Task module

Closes #434

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