some changes
	new file:   eZLib/lib/Processing/Shapes3d.jar
	modified:   eZLib/nbproject/project.properties
	modified:   eZLib/src/eZLib/EulerAngles.java
	modified:   eZLib/src/eZLib/Geometry.java
	new file:   eZLib/src/eZLib/Matrix4.java
	modified:   eZLib/src/eZLib/Study/VectorSketch.java
	modified:   eZLib/src/eZLib/Vector.java