Changed Vec.makeZero to be invoked on all nodes in parallel (and only insert local keys on each node)  as DRemote task.
updates to MLdemo
Merge branch 'master' of https://github.com/0xdata/h2o
Bugfix in Vec.getChunkForChunkIdx. Fixed bug I introduced earlier by fixing race in Chunk.chunkForChunkIdx, forgot to update related assert.
Merge branch 'master' of github.com:0xdata/h2o
Updated Vec.makeZero (added tryComplete and changed makeZero(long,String[]) to go via DRemoteTask as well.
Missing run parameters output.
Handle corner case of single node tree.
Ups, typo in the code.
Support sparse activation layer.  Not yet used.
Merge branch 'master' into arno-deeplearning2