Added CONTRIBUTORS file
Initial text and version updates for 2.1.0
Edits for 2.1.0
Delete leftover TAP interface from OVS with datapath=user
fixes #199
Increase timeout (for lengthy hifi test)
Skip IVS and UserSwitch tests if they are not installed
Need a few more skipUnless() checks.
Add tests for OVS user switch (skipping hifi test for now)

test_hifi.py currently fails for OVS when datapath=user -
we should look at this and fix it.
minor edits
Minor edits
Check for chroot dir and chroot if necessary.
Prototype implementation of bind mounts.
Change API for more efficient remount and unmount.
Make sure that /bin/bash exists before attempting to chroot.
Explicitly create a qcow2 image
changed CLI to MininetFacade; a great deal of logic also changed
clean up controlnet
Fixed MininetFacade and moved main logic into run. First shot at "test" function
removing test from controlnet
fixing controllers.py to use api