Lightweight Java Game Library Code

Set a name for LWJGL's Sync class timer accuracy thread ("LWJGL Timer") for debugging purposes. RFE by NateS.

Fix Matrix*f.negate(Matrix*f dest) methods in Matrix2f, Matrix3f and Matrix4f classes. Thx to Jegorex for finding, reporting and providing fix on forum.

Changed keyName array size to match KEYBOARD_SIZE.

Made GLContext.getCapabilities throw a RuntimeException instead of returning null when there's no GL context current in the current thread.

AppletLoader: Fix NumberFormatException when parsing version string on an EA or beta JVM, thx to UltraMoogleMan for spotting and reporting

Fixed test.

Removed GL_BGRA.

Removed some re-defined GL11 enums.

Translate extended keys before the state check.

Let repeat events pass the same-state filter.