Support quoted environment variables

This change makes use of shlex to correctly parse the environment options and work around quoted values.
Merge pull request #59 from nikdoof/master

Support quoted environment variables
restore volume mappings for protected containers - refs #61
restore hostname of protected container - refs #61
Merge pull request #67 from vvarp/master

Fix for #61
revert to just running supervisor daemon ; too many issues with container exiting with docker versions
merged master