first stab at overhauling this doc to bring it up to date
add connection count test in case of failure
QueryResource: Store remote address in user7
Merge pull request #354 from metamx/request-peer-metric

QueryResource: Store remote address in user7
final draft
Merge branch 'master' into igalDruid
Merge pull request #356 from metamx/igalDruid

Igal druid
remove unused run_ec2 script