Pointerize agentclient ApplySpec RegisteredTemplates
Pointerize agentclient ApplySpec RegisteredTemplates

The uinitialized struct has an empty sha1, which the agent no longer
tolerates.

mattcui/bosh-agent,cloudfoundry/bosh-agent,gu-bin/bosh-agent,gu-bin/bosh-agent,gu-bin/bosh-agent,cloudfoundry/bosh-agent,mattcui/bosh-agent,mattcui/bosh-agent