ISIS-537 Extract common markup in the parent classes (WIP)
ISIS-537 Further simplification of ScalarPanels' markup. Use inheritance and fragments to reduce the number of the HTML files to minimum
ISIS-537 Improve the markup of ReferencePanel and IsisBlobOrClobPanelAbstract
ISIS-537 Fix the comment about CSS region. The rules are about making the label on the left, not right