Changes name of CNI conf file from .cni to .conf
Changes name of CNI conf file from .cni to .conf

BenWhitehead/dcos,mesosphere-mergebot/dcos,amitaekbote/dcos,lingmann/dcos,branden/dcos,surdy/dcos,surdy/dcos,BenWhitehead/dcos,branden/dcos,GoelDeepak/dcos,branden/dcos,mesosphere-mergebot/dcos,GoelDeepak/dcos,amitaekbote/dcos,amitaekbote/dcos,dcos/dcos,mesosphere-mergebot/dcos,dcos/dcos,mellenburg/dcos,mesosphere-mergebot/dcos,mellenburg/dcos,dcos/dcos,kensipe/dcos,lingmann/dcos,amitaekbote/dcos,BenWhitehead/dcos,mellenburg/dcos,mesosphere-mergebot/mergebot-test-dcos,dcos/dcos,GoelDeepak/dcos,mellenburg/dcos,surdy/dcos,lingmann/dcos,kensipe/dcos,kensipe/dcos,GoelDeepak/dcos,lingmann/dcos,branden/dcos,BenWhitehead/dcos,mesosphere-mergebot/mergebot-test-dcos,mesosphere-mergebot/mergebot-test-dcos,kensipe/dcos,mesosphere-mergebot/mergebot-test-dcos,dcos/dcos,surdy/dcos