Vrui 2.4-004

Fixed "missing visual" error on Mac OS X 10.7 and some virtual machines.
Vrui 2.6-001

See:
    http://idav.ucdavis.edu/~okreylos/ResDev/Vrui/Vrui26ReleaseNotes.html
regarding the main changes between Vrui version 2.4 and 2.6.
Vrui 2.6-002

Fixed a linking problem with the Razer Hydra driver plug-in.