some changes
	modified:   eZLib/nbproject/project.properties
	modified:   eZLib/src/eZLib/EulerAngles.java
	modified:   eZLib/src/eZLib/Geometry.java
	modified:   eZLib/src/eZLib/Study/VectorSketch.java
	modified:   eZLib/src/eZLib/Vector.java
	deleted:    .undo.cmd.swp