Fix yasix domain for data with the same value.

Change-Id: I5223819e6737c239023781e0166fc0e7316c203b
Remove gauge and delta type data from stats tab since they ara useless in charts.

Change-Id: I63fd0d5ce29ab3937ae7b514d98a642befae3894
Ceilometer supports collecting network traffic data from quantum.

Change-Id: Ibeb5bfde293597d4d612db1fc71ae985efa9ca58
Remove CPU usage tab since nova already has this.

Change-Id: I215e531b6c1fff3d5f38d58770db784561c7e708
Change datepicker to iso standard format.

Change-Id: I2a807e62505386222e8e686af64dd3e555a4efc6
Convert cumulative data to data for each time point.

Change-Id: Iba00871088dd08fd6b925bd4887e8a44bbf795ce