Whitespace
Help text change for axis ticks

This goes with [#56372392] even though it's not specifically mentioned there.

https://www.pivotaltracker.com/story/show/56372392
Remove "data set pane" count from pane cards

When showing a page, the "cards" for the panes on the right side don't need to reflect the number of DataSets they're displaying, particularly not if it's calling them Data Set Panes instead of Data Sets.