Added exception handler for make_dirs() function call in thumbnail() template tag.
Added exception handler for make_dirs() function call in thumbnail() template tag.

frankchin/mezzanine,frankier/mezzanine,spookylukey/mezzanine,jerivas/mezzanine,molokov/mezzanine,sjdines/mezzanine,stephenmcd/mezzanine,douglaskastle/mezzanine,frankier/mezzanine,SoLoHiC/mezzanine,Cicero-Zhao/mezzanine,wbtuomela/mezzanine,douglaskastle/mezzanine,jjz/mezzanine,wyzex/mezzanine,biomassives/mezzanine,webounty/mezzanine,PegasusWang/mezzanine,eino-makitalo/mezzanine,dsanders11/mezzanine,tuxinhang1989/mezzanine,Cicero-Zhao/mezzanine,gradel/mezzanine,gradel/mezzanine,Cajoline/mezzanine,dsanders11/mezzanine,christianwgd/mezzanine,geodesign/mezzanine,damnfine/mezzanine,tuxinhang1989/mezzanine,Skytorn86/mezzanine,wbtuomela/mezzanine,promil23/mezzanine,dovydas/mezzanine,stephenmcd/mezzanine,wbtuomela/mezzanine,eino-makitalo/mezzanine,spookylukey/mezzanine,readevalprint/mezzanine,molokov/mezzanine,damnfine/mezzanine,industrydive/mezzanine,adrian-the-git/mezzanine,PegasusWang/mezzanine,industrydive/mezzanine,biomassives/mezzanine,ryneeverett/mezzanine,damnfine/mezzanine,Kniyl/mezzanine,vladir/mezzanine,viaregio/mezzanine,dustinrb/mezzanine,Kniyl/mezzanine,dsanders11/mezzanine,Cajoline/mezzanine,frankier/mezzanine,viaregio/mezzanine,molokov/mezzanine,emile2016/mezzanine,theclanks/mezzanine,sjdines/mezzanine,geodesign/mezzanine,ZeroXn/mezzanine,jerivas/mezzanine,adrian-the-git/mezzanine,sjuxax/mezzanine,ZeroXn/mezzanine,spookylukey/mezzanine,joshcartme/mezzanine,Cajoline/mezzanine,mush42/mezzanine,christianwgd/mezzanine,sjuxax/mezzanine,webounty/mezzanine,nikolas/mezzanine,dustinrb/mezzanine,jjz/mezzanine,dovydas/mezzanine,nikolas/mezzanine,frankchin/mezzanine,douglaskastle/mezzanine,readevalprint/mezzanine,jjz/mezzanine,sjdines/mezzanine,joshcartme/mezzanine,saintbird/mezzanine,frankchin/mezzanine,ryneeverett/mezzanine,adrian-the-git/mezzanine,SoLoHiC/mezzanine,joshcartme/mezzanine,theclanks/mezzanine,dustinrb/mezzanine,readevalprint/mezzanine,wyzex/mezzanine,promil23/mezzanine,nikolas/mezzanine,jerivas/mezzanine,PegasusWang/mezzanine,promil23/mezzanine,ZeroXn/mezzanine,Skytorn86/mezzanine,saintbird/mezzanine,SoLoHiC/mezzanine,stephenmcd/mezzanine,christianwgd/mezzanine,viaregio/mezzanine,theclanks/mezzanine,geodesign/mezzanine,emile2016/mezzanine,biomassives/mezzanine,dovydas/mezzanine,tuxinhang1989/mezzanine,vladir/mezzanine,saintbird/mezzanine,webounty/mezzanine,mush42/mezzanine,sjuxax/mezzanine,ryneeverett/mezzanine,Kniyl/mezzanine,industrydive/mezzanine,Skytorn86/mezzanine,mush42/mezzanine,gradel/mezzanine,eino-makitalo/mezzanine,emile2016/mezzanine,vladir/mezzanine,wyzex/mezzanine