Fix bug where if all data=0 then the y-scale does not display properly. Change: 153407154
Fix bug where if all data=0 then the y-scale does not display properly.
Change: 153407154

agrubb/tensorboard,qiuminxu/tensorboard,shakedel/tensorboard,agrubb/tensorboard,tensorflow/tensorboard,tensorflow/tensorboard,qiuminxu/tensorboard,qiuminxu/tensorboard,ioeric/tensorboard,tensorflow/tensorboard,agrubb/tensorboard,francoisluus/tensorboard-supervise,ioeric/tensorboard,qiuminxu/tensorboard,shakedel/tensorboard,tensorflow/tensorboard,qiuminxu/tensorboard,ioeric/tensorboard,agrubb/tensorboard,qiuminxu/tensorboard,francoisluus/tensorboard-supervise,agrubb/tensorboard,ioeric/tensorboard,francoisluus/tensorboard-supervise,shakedel/tensorboard,tensorflow/tensorboard,francoisluus/tensorboard-supervise,ioeric/tensorboard,tensorflow/tensorboard,francoisluus/tensorboard-supervise,francoisluus/tensorboard-supervise,shakedel/tensorboard,tensorflow/tensorboard,shakedel/tensorboard,shakedel/tensorboard,ioeric/tensorboard,agrubb/tensorboard