acquia_connector 6.x-1.2

Acquia Agent changes since Acquia Connector 6.x-1.1:

- #362305 update package name
- #361598 indicate PHP 5.0 requirement
- #368179 Use acquia_agent_settings() rather then variable_get() in more places
- #368159 log HMAC validation errors for debugging
- #365808 use a separate host name for RPC calls
- #361612 use stream_get_transports() rather than looking for a define
- #361609 enable re-use of context creation code, plus suppress errors

Acquia SPI changes since Acquia Connector 6.x-1.1:

- #362305 update package name