test: adapt to 2.6 message improvement
From fd1bb7c1be78 (in core) hidden revision are excluded from partial match in a proper
way resulting in a nicer error message.
all: tutorial static/logo-evolve.ico
sphinx-build . ../html/
tutorial:
python test2rst.py tutorials/
static/logo-evolve.ico: static/logo-evolve.svg
convert -resize 36x36 static/logo-evolve.svg static/logo-evolve.ico