Set icon on OS X
Set icon on OS X

Signed-off-by: Nathan Sobo <2e8aa918660411855c6d44d5bb2da677aa033255@github.com>

brettle/atom,ardeshirj/atom,AdrianVovk/substance-ide,bsmr-x-script/atom,sotayamashita/atom,stinsonga/atom,xream/atom,rlugojr/atom,decaffeinate-examples/atom,gontadu/atom,tjkr/atom,brumm/atom,Mokolea/atom,brumm/atom,andrewleverette/atom,liuderchi/atom,CraZySacX/atom,t9md/atom,xream/atom,atom/atom,AlexxNica/atom,sotayamashita/atom,t9md/atom,kevinrenaers/atom,tjkr/atom,stinsonga/atom,stinsonga/atom,decaffeinate-examples/atom,AlexxNica/atom,andrewleverette/atom,xream/atom,AdrianVovk/substance-ide,Arcanemagus/atom,AlexxNica/atom,rlugojr/atom,andrewleverette/atom,rlugojr/atom,ardeshirj/atom,CraZySacX/atom,Arcanemagus/atom,bolinfest/atom,gontadu/atom,PKRoma/atom,CraZySacX/atom,kevinrenaers/atom,t9md/atom,brettle/atom,me-benni/atom,Ingramz/atom,Ingramz/atom,Arcanemagus/atom,ardeshirj/atom,kevinrenaers/atom,Ingramz/atom,liuderchi/atom,decaffeinate-examples/atom,decaffeinate-examples/atom,AdrianVovk/substance-ide,gontadu/atom,me-benni/atom,Mokolea/atom,liuderchi/atom,Mokolea/atom,me-benni/atom,atom/atom,brumm/atom,bolinfest/atom,stinsonga/atom,bsmr-x-script/atom,sotayamashita/atom,brettle/atom,PKRoma/atom,PKRoma/atom,atom/atom,FIT-CSE2410-A-Bombs/atom,tjkr/atom,bolinfest/atom,liuderchi/atom,FIT-CSE2410-A-Bombs/atom,bsmr-x-script/atom,FIT-CSE2410-A-Bombs/atom