Switch to CSS for visibility effects.
Consistency in Variable Names (TM).
Change version now shows the most recent version in the list
Merge pull request #660 from kadams54/css-hide-services

Switch to CSS for visibility effects.

Instead of setting attributes on the SVG elements (services and relations), use CSS classes and styling to show/hide/fade them.
Merge pull request #661 from hatched/change-version-fix

Change version now shows the most recent version in the list

Users were never able to upgrade to the latest version of the GUI because we started the counter off by 1.