Changes for QGLViewer 1.4
-------------------------
- bugfixes in SceneTree stuff
- changed library name to lowercasae
- random debian-related fixes
- 4D Volume support in camera (timestamps)
- qt3 fixes

Changes for QGLViewer 1.3
-------------------------
- Classes and example programs for camera path generation,
  interpolation and playing
- Light source editor
- A simple scene tree implementation

Changes for QGLViewer 1.2
-------------------------
- Support for serializing and deserializing objects to
  and from XML.
- Lots of bugfixes.