Threads isn't used anymore

Removed from description
Moved all dialog into Options Tab

3 different tabs for options wasn’t nice
Added Options Name
Added Type Reference
OutOfBounds & KNIPException added

KNIPException gets thrown if number of dims of the structuring elements
isn’t the same as the number of image dims.
- beautified description.
numDimension instead of numSelectedDimensions

The operationGray was created with a wrong number of dimensions (2
selected but 1 provided for example) which would result in
ArrayOutOfBoundsException
- Moved Dimension Selection to options tab, if available.
Merge branch 'master' into anisotropic_dialog_cleanup
Merge branch 'anisotropic_dialog_cleanup' of https://github.com/knime-ip/knip into anisotropic_dialog_cleanup
-Fixed inverter error when using labelings.
- Fixed some more inverter bugs when using labels (Wrong iteration order)
Updated descriptions of MorphImgOp and MorphLabelOp
Merge branch 'master' into anisotropic_dialog_cleanup

Conflicts:

org.knime.knip.base/src/org/knime/knip/base/nodes/filter/SlidingWindowOp
erationNodeFactory.java
Description updated

Stated that currently only OTSU is availble and that more methods might
be added in the future.
Changed allowed dimension for MultilevelThresholder

From min=2, max=2 to min=1, max=Integer.MAX_VALUE
Used Bounded SettingsModel
added outofbounds description