move spark in RootBuild.scala to 1.2.0-SNAPSHOT
move spark in RootBuild.scala to 1.2.0-SNAPSHOT

phvu/DDF,ubolonton/DDF,ubolonton/DDF,ubolonton/DDF,hsaputra/DDF,phvu/DDF,ddf-project/ddf-flink,milliondreams/ddf-with-flink,ubolonton/DDF,milliondreams/ddf-with-flink,hsaputra/DDF,phvu/DDF,ddf-project/DDF,ddf-project/DDF,ubolonton/DDF,hsaputra/DDF,ddf-project/DDF,hsaputra/DDF,ddf-project/DDF,ddf-project/ddf-flink,phvu/DDF,ddf-project/DDF,hsaputra/DDF,phvu/DDF