Selenium fixture!

- Allows you to open selenium sessions with multiple appliances during a test run
- See utils/tests/test_selenium_fixture.py for usage
Merge pull request #73 from seandst/distributed-testing-selenium-shenanigans

Selenium fixture!
Complete remainder of automate component workflow
mgmt_system fixtures have a new home

- They're in the fixtures dir now
Merge pull request #75 from rlandy/automate_tests

Complete remainder of automate component workflow
Merge pull request #77 from seandst/fix-mgmtsys-imports

mgmt_system fixtures have a new home