evolve: add a hint about how to abort an evolve with conflict
The whole evolve --continue is hacky, but the way to abort it have been arcane
knowledge, carried from sith lord to its apprentice for centuries. We add a hint
to help the use discover it.
One day a clean solution will come.
all: tutorials/tutorial.rst static/logo-evolve.ico
sphinx-build . ../html/
tutorials/tutorial.rst: tutorials/tutorial.t
python test2rst.py tutorials/
static/logo-evolve.ico: static/logo-evolve.svg
convert -resize 36x36 static/logo-evolve.svg static/logo-evolve.ico