Merge glasnt/rickshaw:subtle-slider-preview

Make RangeSlider.Preview muted version of the original
make range preview shorter
Merge stacked testing into proper stacked
Generate nicer legend, ensure graph order
Resize legend on window size change. Toggle animation on error expand
Legend style
reference new legend on stacked view
add alpha note to navbar-brand
Rename stylesheets for graphs, move to folder
Force wordwrap on superlong metrics in stacked legend
Trigger a toggle on the individual error element

prevents issues when multiple errors are rendered and the top most error
toggles once per error.
Add tooltip to stacked graph legend shuffle
Run tooltip create after tooltips exist - otherwise, they never fire
Surpress color/decoration for shuffle links