Prevent hooking IE multiple times
Added Zenedge as a CDN
wptdriver 193
Bunch of enhancements for EC2 scaling:
- Can now specify the default location through settings/user data
- Can specify min and max instance counts by location
- Can configure beanstalkd to only be used for low-priority tests
Update Server AMI.md
Update Server AMI.md
Updated the ec2 scaling to not use localhost as a valid host name
Merge branch 'master' of github.com:WPO-Foundation/webpagetest
More tweaks to the hostname/IP address fetching for localhost scaling
Disabled rebuilding of the work queues from disk when beanstalkd is being used
Queue fix when working with beanstalkd
More queue fixes
Update Server AMI.md
Added LeaseWeb as a CDN
Merge pull request #354 from kri99/master

Added LeaseWeb as a CDN
Merge pull request #1 from WPO-Foundation/master

Update from upstream
Add parameters to adjust JSON contents
Merge pull request #356 from zeman/json

Add parameters to adjust JSON contents
Added retry, rndis, and tracing.

Merge of several features:

1) Add retry logic:     https://codereview.appspot.com/94650043
     Includes an overall agent refactor re: scheduling.
     Enabled by default, with per-run retryLimit of 1

2) Add network check:   https://codereview.appspot.com/90340044
     Verifies that we can ping the LAN gateway.
     Enable via command line:  --checknet yes

3) Add usb tethering:   https://codereview.appspot.com/90340044
     Uses murmur hash to generate the MAC address.
     Enable via command line:  --useRndis yes

4) Add chrome tracing:  https://codereview.appspot.com/102500043
     Enable via task:  trace=1

5) Avoid memory errors: https://codereview.appspot.com/80640044
     Refactor to reduce OutOfMemory errors
Add gstatic.com to Google CDN