Put the bridge interface name in the command line
Add an helper function to check if two network overlaps. Also add unit tests for this function
Make LXC aware of custom bridge
If bridge does not exists, try to create it
Move the default bridge name to a constant
Merge remote-tracking branch 'origin/219-default-bridge-2'
The flag to use a pre-existing bridge interface is '-b'. Added explanation
Changed default bridge interface do 'docker0'