Fixed a bug in minionfs

When the path of the requested file does not contain any os.sep,
minionfs was crashing with the following exception:
ValueError: need more than 1 value to unpack
Merge pull request #9806 from pakdel/minionfs-bugfix

Fixed a bug in minionfs
Ignore IntelliJ Module Library file
Add initial ssh_gateway to root_cmd
Look for ssh_gateway option
ssh gateway config parser
Get SSH Gateway config and pass it on to ssh event
Extend wait_for_port to support ssh_gateway
Append kwarg so other cloud providers don't break.
Test gateway before host if gateway is defined.
Ensure an authentication method has been choosen.
Pass in correct arguments to root_cmd
Normalize ssh_gateway variables
Initial gateway support for deploy script