This patch adds a template for the ocata specs, and re-arranges the directory
structure to be more consistent with other OpenStack spec repositories.
Change-Id: Ic3128d764a449a0cd5266b635d12f591a887fd2f
* Add all implemented specs to specs/implemented.
* Create ocata directory to store the corresponding specs.
Change-Id: I36da3a26ece3b6f7d27b7af80460303f4a6c4226