* Added SpecialValueSpinner component.
* Reworked ROI Panel (not yet completed).
* Fixed the infamous JTextField margin error.
* ROI:
 - added icon property (for the ROI panel).
 - internal overlay mouse position is now 5D.
 - added getNumberOfEdgePoints() and getNumberOfPoints() methods (used
for perimeter, area.. calculation).
 - moved getPerimeter() and getArea() to ROI2D. 
* BooleanMask[X]D:
 - added getPointsAsIntArray(..) method (better for GC work)
 - added getEdgePointsAsIntArray(..) method (better for GC work)
* Better error handling in Plugin Class Loader.
* DynamicArray supports variable block size (granularity parameter).
* added TypeUtil.toPoint(int[]) method.
* Point[X]D: added toPoint[X]D() and toDoubleArray() conversion methods.
* Severals bug fixes.