Create 2.0.x changelog
Require PropertyAccess component
Collector: print query data as json instead of yaml
Merge pull request #266 from XWB/property-access-update

Use the PropertyAccess component
Create 2.1.x-dev branch alias for master
Merge pull request #267 from XWB/collector-update

Collector: print query data as json instead of yaml
Document installation via composer in README (closes #271)
Merge branch '1.0.x' into 2.0.x
Merge branch '2.0.x'
Update install version and add links to compatibility info
Merge branch '2.0.x'
Check for "indexes" key in Configuration::getNestings()
Merge branch '2.0.x'
Merge branch 'master' into child-listeners