Added CMake option to enable/disable OpenCV
Implementation of CURSOR options. Also some various bug fixes...
Edited wiki page Screenshots through web user interface.
Bug fix (linux) of changes made for OSX.
OSX compatible GLSL 12
Crude but first implementation of CURSORS!
OSX compatibility step-back (GLSL 1.2) and other fixes.
Edited wiki page Compilation through web user interface.