Merge branch 'fb_plots' of https://github.com/LabKey/cds into fb_plots
Show antigen description on hover from variable options grid
Plot subsets of antigens from same source against each other
- pivot/filter data using getData API dimension
- transform pivoted data response back to shape expected for plotting
- reshow w/ antigen selection and user group selection options
Fix issue with plot refresh not remembering user groups, antigens, and visit tag alignment
- update Filter.plotMeasuresEqual to check for equality of those variable options
Merge branch 'fb_plots' of https://github.com/LabKey/cds into fb_plots
Merge branch 'antigensamesource' into fb_plots