Development/minor fixes

See merge request !14

Compile feature disabled as introduced in cmake 3.10 (current cmake required 2.8, update considered ?)

Need to do git add -f doc/source/X.png for the next static image to be added.

Meyer watershed segmentation.

See merge request !12

To avoid name clash with mln::transform

SE decomposition of disc and rect2d for dilation based algorithms.

See merge request !11

It uses dyn_neighborhood uses se.offsets() method.

Fix double macro expansion in trace.

See merge request !10

Documentation

Closes #9

See merge request !9