Merge pull request #1 from markmcclain/test_fixes

fix broken unittests discovered by Travis migration
Clean up the tox.ini file

DHC-831
Merge pull request #2 from rodis/feature/fix_tox_file

Clean up the tox.ini file
make DHCP rules work in both directions
updated for akanda-appliance
update for floating ip support
floating IP support
IPv6 allow rule
fixed table handling
make tables persistent
add BGP support
changes for Masseffect
ensure forwarding starts up
use symbolic name for default route
update api/v1/test_firewall to work properly
update api/v1/test_firewall to work properly
complete test coverage for system api.
rename if driver test
add bird test coverage
add support for forwarding all traffic to floating ip