fixes for results host and arb configs, fixes #314 and #318
Merge pull request #325 from ceeaspb/tsview_configs_resultshost

fixes for results host and arb configs, fixes #314 and #318
Fixed parsing of response headers to deal with missing version info (HTTP 2 doesn't include it in dev tools)
wptdriver 187
Merge branch 'master' of github.com:WPO-Foundation/webpagetest
Fixed a few cases of improper includes breaking settings checks
Initial work towards supporting automatic EC2 instances (just the instance clean-up code so far)
Added support for disabling benchmark configurations
Fixed support for running the server on https (so all of the redirects and links correctly point to the https resources)
Added specific ffmpeg dependencies and imagemagick for windows
Added script to run at startup for EC2 AMI's to configure settings and API keys from user data
Added some logic to make sure we don't much with working directories of anything that launched the startup script
Initial work for automatically starting EC2 agents
Added ec2 locations with matching AMI's
Updated the location key checking to support the dynamic location keys for ec2
Create the update directory if it doesn't exist
Initial documentation for the auto-scaling server
Added documentation about the API key user data string
Improvements to the browser installer to wait until child install processes have completed
wptdriver 188