Initial Checken

Based on Processing MultipleParticle simulation example and
SmokeParticle example
Refactored
Refactored (completed)
Added Navier-Stokes version
Added Navier-Stokes version
Renamed to .java
Adjusted indentation

Re-indented using eclipse
Converted to pure Java

Pass PApplet into subclasses for access
Use PApplet.* for members/methods that were accessible by inner classes
in Processing
Change 'color' to 'int'
Add 'f' suffix for floating point constants
Added imports
Added main()
Corrected indent of Particle.java, converted to Java
Control under Eclipse
Added Position.java, use in other classes

Changes may overlap other commits
Various cleanup
Change window size to 1280x800
Make OSCP5 callbacks public
Major refactoring
Set background to black in presentation mode
Removed unnedded import
Added support of OSC-controlled visualizer selection
Added Tron visualizer
Moved drawBorders to Visualizer base class