Fix mkdir in fetch_packages.sh
Fix mkdir in fetch_packages.sh

lingmann/dcos,mnaboka/dcos,jeid64/dcos,vishnu2kmohan/dcos,amitaekbote/dcos,mesosphere-mergebot/mergebot-test-dcos,BenWhitehead/dcos,branden/dcos,xinxian0458/dcos,mesosphere-mergebot/dcos,amitaekbote/dcos,mesosphere-mergebot/mergebot-test-dcos,vishnu2kmohan/dcos,asridharan/dcos,surdy/dcos,mesosphere-mergebot/mergebot-test-dcos,kensipe/dcos,BenWhitehead/dcos,surdy/dcos,mnaboka/dcos,mellenburg/dcos,mnaboka/dcos,mesosphere-mergebot/dcos,dcos/dcos,surdy/dcos,GoelDeepak/dcos,lingmann/dcos,dcos/dcos,xinxian0458/dcos,lingmann/dcos,jeid64/dcos,amitaekbote/dcos,dcos/dcos,mesosphere-mergebot/dcos,darkonie/dcos,amitaekbote/dcos,xinxian0458/dcos,mellenburg/dcos,GoelDeepak/dcos,branden/dcos,kensipe/dcos,mellenburg/dcos,branden/dcos,lingmann/dcos,darkonie/dcos,darkonie/dcos,asridharan/dcos,vishnu2kmohan/dcos,mesosphere-mergebot/dcos,kensipe/dcos,GoelDeepak/dcos,vishnu2kmohan/dcos,dcos/dcos,dcos/dcos,mnaboka/dcos,darkonie/dcos,asridharan/dcos,GoelDeepak/dcos,jeid64/dcos,branden/dcos,darkonie/dcos,mellenburg/dcos,BenWhitehead/dcos,BenWhitehead/dcos,asridharan/dcos,jeid64/dcos,kensipe/dcos,mesosphere-mergebot/mergebot-test-dcos,surdy/dcos,mnaboka/dcos,xinxian0458/dcos