Hide output dir from git
Hide output dir from git

Signed-off-by: Doug Davis <ff3bde741799c0eff815b83a54eda3fc494df54f@us.ibm.com>

hqhq/runtime-spec,ujuc/specs,cloudfoundry-incubator/specs,vbatts/specs,wking/opencontainer-specs,laijs/specs,opencontainers/runtime-spec,jonboulle/specs,opencontainers/specs,hqhq/specs,wking/opencontainer-runtime-spec