In examples/square_inclusion.py, improved output to stdout, removed references to skimage, and used PETSc.Log.getTime() instead of time.perf_counter() (fixes issue #4).
In examples/square_inclusion.py, improved output to stdout, removed
references to skimage, and used PETSc.Log.getTime() instead of
time.perf_counter() (fixes issue #4).

sbrisard/janus,sbrisard/janus,sbrisard/janus