[maven-release-plugin] prepare release v0.2-RC1
[maven-release-plugin] prepare release v0.2-RC1

tudelft-atlarge/graphalytics-platforms-graphx,tudelft-atlarge/graphalytics-platforms-graphx,tudelft-atlarge/graphalytics-platforms-graphx,tudelft-atlarge/graphalytics-platforms-graphx