changes for Docker 0.12 compatibility
changes for Docker 0.12 compatibility

Passing HostConfig in to StartContainer has been deprecated since 0.10
and was removed in 0.12.  Pass HostConfig in at container creation time
instead.

`syslog-tag` has been deprecated since 0.9 and removed in 0.12.  It's
been merged into the generic cross-log-driver `tag` field instead.

litl/galaxy