Finalize the split-off of imglib-tests

The history was extracted via

	git filter-branch --subdirectory-filter tests/

into its own repository:

	https://github.com/imglib/imglib-tests/

The commit 58cc0508(Move non-imglib2-ij-specific manual test classes)
in the new repository corresponds to the commit 8544c7aa(Move
non-imglib2-ij-specific manual test classes) in

	https://github.com/imglib/imglib

For history predating 25509aeb(Add a simple imglib test that squares an
image.), please look into the latter repository.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Finalize the split-off of imglib-scripting

The history was extracted via

	git filter-branch --subdirectory-filter scripting/

into its own repository:

	https://github.com/imglib/imglib-scripting/

The commit 986803c8(Update to pom-scijava 1.130) in the new repository
corresponds to the commit 34f2267a(Update to pom-scijava 1.130) in

	https://github.com/imglib/imglib

For history predating 34f2267a(Update to pom-scijava 1.130), please look
into the latter repository.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Finalize the split-off of imglib-tutorials

The history was extracted via

	git filter-branch --subdirectory-filter examples/

into its own repository:

	https://github.com/imglib/imglib-tutorials/

The commit 839f83647(Update to pom-scijava 1.130) in the new repository
corresponds to the commit 34f2267a(Update to pom-scijava 1.130) in

	https://github.com/imglib/imglib

For history predating 66a4c24d6(Update to pom-scijava 1.130), please look
into the latter repository.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>