Consolidate much of the production of the html file into a function
Delete trailing whitespace
Added another iplotScanone example
Remove extraneous console.log from iheatmap
Had forgotten a couple of panels needed for iplotScanone

  - Also, add a Sys.sleep at the end of the example, so that the graphs
    get shown when running R CMD check
pxg2json: Add a couple of as.list() calls b/c jsonlite
iplotScanone examples: Sys.sleep 0.2 -> 0.3
iplotScanone: Fix border rectangle, which wasn't wide enough