Godeps: Roll runtime-spec back to v1.0.0-rc1#153

mrunalp merged 1 commit intoopencontainers:v1.0.0.rc1opencontainers/runtime-tools:v1.0.0.rc1from

wking:v1.0.0.rc1-godepwking/ocitools-v2:v1.0.0.rc1-godepCopy head branch name to clipboard