Groundwork for particle functions.
Cleanup.
Add ability to add functions to particle emitters via the editor.
Add ability to change the ranges of functions.
Bring up-to-date with the recent changes to GTGUI.
Reorganize.
More misc. work on particles.
Optimize particles.
Another optimization to particles.
More optimizations to particles.
Further optimizations to particles.
The last of optimizations to particles for this phase.
Add the ability to control the start rotation and scale of particles.
Give particle emitters a name property.

This can not be edited via the editor yet.
Add serialization/deserialization to particles.
Fix a bug that caused some GUI elements to not show up when first loading a particle system into the editor.
Bring up-to-date with recent changes to GTCore.
Add serialization to the particle system component.
Add support for setting the particle system of a scene node in the scene editor.
Fix a bug in the particle editor where the burst mode check box was not getting set correctly.