Bumped up version number
Fixed integer truncation for light values

- emitter and sun light intensity values were incorrectly truncated
- fixes #121
Windows installer skips overwriting shortcut

- don't overwrite the more memory shortcut
Use adjuster for FoV setting
Set reasonable min/max values for DoF adjuster
Added DoF adjuster
Refactored adjusters - added update method
Don't reset chunk selection on world reload

fixes #122
Allow projectors wrapped by AperatureProjector to influence the shape of the focal surface by not normalizing their calculated direction vector.