Also handle Errno::EACCES when trying to delete the directory.
Also handle Errno::EACCES when trying to delete the directory.

Closes #216
aditya01933/paperclip,mrb/paperclip,cmaion/paperclip,gfvcastro/paperclip,agcantarelli/paperclip,greatbody/paperclip,mdkalish/paperclip,soramugi/paperclip,tiegz/paperclip,rpbaptist/paperclip,12spokes/paperclip,pandamako/paperclip,dgynn/paperclip,bdewater/paperclip,frankpinto/paperclip,hooroo/paperclip,manorie/paperclip,soramugi/paperclip,greatbody/paperclip,justanshulsharma/paperclip,maintux/paperclip,degica/paperclip,sopheak-se/paperclip,victorngkp/paperclip,carnivalmobile/paperclip,mehulkar/paperclip,mrgilman/paperclip,freeslugs/paperclip,crowdtap/paperclip,sopheak-se/paperclip,gfvcastro/paperclip,felipemathies/paperclip,Leadformance/paperclip,raow/paperclip,betesh/paperclip,crowdtap/paperclip,yukas/paperclip,agcantarelli/paperclip,Cohealo/paperclip,ScotterC/paperclip,felipemathies/paperclip,keathley/paperclip,joshisa/paperclip,medcat/paperclip,cmaion/paperclip,manorie/paperclip,carnivalmobile/paperclip,mehulkar/paperclip,zurb/paperclip,medcat/paperclip,rpbaptist/paperclip,degica/paperclip,keathley/paperclip,freeslugs/paperclip,bdewater/paperclip,aditya01933/paperclip,justanshulsharma/paperclip,victorngkp/paperclip,pandamako/paperclip,Sporky023/paperclip,jonathandean/paperclip_tod,onursarikaya/paperclip,Leadformance/paperclip,InesCARodrigues/paperclip,raow/paperclip,alexandrz/paperclip,dgynn/paperclip,best-teacher/paperclip-old,sideci-sample/sideci-sample-paperclip,mrb/paperclip,howaboutwe/paperclip,danielwanja/paperclip,InesCARodrigues/paperclip,joshisa/paperclip,fxposter/paperclip,ScotterC/paperclip,Sporky023/paperclip,maintux/paperclip,frankpinto/paperclip,mrgilman/paperclip,tylerwillingham/paperclip,alexandrz/paperclip,tiegz/paperclip,kerrizor/paperclip,onursarikaya/paperclip,betesh/paperclip,Cohealo/paperclip,zurb/paperclip,tylerwillingham/paperclip,Flameeyes/paperclip,pcorliss/paperclip,mdkalish/paperclip