Added the first tests for security groups
Rewrote the SSH method so we have access to exit status, stderr and exit signal. Also wrote a simple test for security group icmp rules.
No need to recheck the same value we just checked
Added host interface uuids to datapath networks.
Merge pull request #9 from axsh/feature-dpn-interfaces

Added host interface uuids to datapath networks.
Merge remote-tracking branch 'origin/master' into feature-datapath-event
Added tests for security groups targetting specific tcp/udp ports
Added the security group specs to the standard run command
Added a test for the 0.0.0.0/0 wildcard in security group rules
Added security group tests for rules using cidr notation and a negative test for the 0.0.0.0/0 wildcard
Got rid of a before/after each hook because they were only relevant to one example
Add support for package installation
Put back a newline that I accidentally deleted
Add support for installation of proxy server(squid)
Use the before and after hooks to make sure netcat processes get killed even when tests fail
Use parallel each to kill netcat processes on all vms.
Merge pull request #11 from axsh/feature-package-installation

Add support for package installation
Changed vnet edge integration test to handle the changes to translation db table.
Changed interface entry to translation in vlan_translations.
Merge branch 'master' into security_groups