Move to JGraphx version 2.3.0.5

Signed-off-by: Jean-Yves Tinevez <jean-yves.tinevez@pasteur.fr>
Move to JGrapht version 0.9.0

Signed-off-by: Jean-Yves Tinevez <jean-yves.tinevez@pasteur.fr>
Merge branch 'master' of git://github.com/fiji/fiji
Revert "Move to JGrapht version 0.9.0"

This reverts commit e5d54c619b3f90142a744fb9cf2d203d46776826.
Revert "Move to JGraphx version 2.3.0.5"

This reverts commit 6fc6e0e5f8af7ca7ffe6e2453969f7be617c22eb.
Merge branch 'master' of git://github.com/fiji/fiji
Merge branch 'master' of git://github.com/fiji/fiji
Switch to Saalfeld's mpicbg version 0.6.1

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
fiji-compat: go back to official released ij-legacy

A newer beta of ImageJ2 was released in the meantime; we no longer
need to depend on an intermediate ij-legacy release.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Trainable Weka Segmentation: check input image when applying classifier to display error message if needed.
Trainable Weka Segmentation: add input error control.
Trainable Weka Segmentation: when creating training instances from a shape roi, use in-place method.
Trainable Weka Segmentation: clean code to try to identify bug that is causing huge delay when adding instances whose attributes are all 0.0.
gitignore: add more dependency JARs

They were copied by a MiniMaven build. However, I could not easily find
where they came from; "mvn dependency:tree" does not show them anywhere.
Trainable Weka Segmentation: add warning in javadoc to limit the use of getProcessor in FeatureStack.
Trainable Weka Segmentation: remove calls to getProcessor() in the FeatureStack for more reliable methods.

Maybe the ImageStack field of FeatureStack should be substituted by an array of ImageProcessor to prevent heavy duplications of the data.
Merge branch 'master' into trainable-seg-gui
Trainable Weka Segmentation: comment redundant log message.
Trainable Weka Segmentation: cleanup code.
Trainable Weka Segmentation: remove commented code.