XPS LightFX SDK

In order for the LED effects (created using the SDK) to actually work on a target Dell XPS system, Dell QuickSet application needs to be installed on that system.

This release should allow target applications using the LightFX SDK to talk to any Dell XPS system that supports LED control.
This release adds support for Vista (32 and 64 bit) and XP 64 bit as well.
Enhancements to effectbuilder tool so that the LED effect can be played from the tool provided the system supports LightFX.