GroupVPN LXC batch script

Currently, this script provides two mode of operation 1 is for creating lxc instances
2 is for copying ipop binary and controllers to
each instance
  and run ipop.

FOr the future, simple ping test and further complex test pattern
will be included for each of repeatitive test.
gvpn_lxc is not working with lxc version less than 1
Tidy up comments
Tidy up comments