Please answer these questions before submitting pull request - Why submit this pull request? - [ ] Bug fix - [ ] New feature provided - [x] Improve performance
___ ### New feature or improvement - In main pom.xml in the project dependency versions were hardcoded. I moved them to properties tag. [ Full content available at: https://github.com/apache/incubator-skywalking/pull/1582 ] This message was relayed via gitbox.apache.org for [email protected]
