Enable fractional scale display
Enable fractional scale display

This involved pushing makeLabel() out of AbstractImageDIsplay and into
AbstractSwingImageDisplay. Also the ImageDisplay interface now exposes
new method makeLabel(). Changes also necessitated adding a dependency
upon ij-options into ij-ui-swing-base.


This used to be revision r4443.

TehSAUCE/imagej,biovoxxel/imagej,biovoxxel/imagej,TehSAUCE/imagej,TehSAUCE/imagej,biovoxxel/imagej