Update README.md
adding tests for MDC and nested MDC
Merge pull request #44 from sksamuel/patch-1

Update README.md
Merge pull request #46 from logstash/feature/mdc_unit_test

adding tests for MDC and nested MDC
[maven-release-plugin] prepare release jsonevent-layout-1.7
[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] rollback the release of jsonevent-layout-1.7
adding distribution to pom.xml
[maven-release-plugin] prepare release jsonevent-layout-1.7
[maven-release-plugin] prepare for next development iteration
Add support for message objects, render object to json message
Add toggle flag for rendering message object using reflection
Fixed too eager field/method fetch, add tests