AR installed version check (and errors)
Updated AR testing
Commented out imports....causes travis-ci problems...just manual testing still
Adding server startup/teardown to tests
Merging and refining
Added AR to install script
Merge branch 'master' into feature/ar_VersionCheck
Merge master
test_ar_downsample.py

Tagging server start affected test for skip
Reducing tests due to py 3 errors.
Fixing python 3 error around function codes
Merge branch 'master' into feature/ar_VersionCheck
Merge pull request #1242 from ContinuumIO/feature/ar_VersionCheck

Feature/ar version check