Merge pull request #7 from markhamstra/master-csd

SPY-287 Merging Apache 0.8.2 changes
[maven-release-plugin] prepare release spark-parent-0.8.2-candidate-csd-1
[maven-release-plugin] prepare for next development iteration
Merge branch 'master-csd' of github.com:clearstorydata/incubator-spark into master-csd