Updated About to point to latest GitHub repo, and includes latest build instructions.
Changed url to report issues to GitHub one, and updated the hyperlink to open in new tab/window.
Fixed Firefox showing blank [Object Window] page when clicking on external links.
Added Matthew Farwell, Bardur Arantsson and Dmytro Makhno to people who have helped ScalaTest in About.
Added Iulian, Luc and Richard to helping list in About for their help in developing the Eclipse plugin.
Added Alex and Ksenia to helping list in About also for their help in supporting ScalaTest in Intellij.