iplotScantwo: small change to example in help file
iplotScantwo: small change to avoid drop-down menus being next to the SVG image
Change version + date
iplotScantwo help: add details re imputation
iplotScantwo: CIs as +/- 2 SE
userGuide: add discussion of iplotScantwo
iplotScantwo: add default caption
iplotScantwo: change default height of lower panels