evolve: saner locking an transaction in `hg evolve`
Each trouble solved used to handle locking and transaction on its own. We now
have a top level locking and transaction. This will helps use making sure phase
are moved within a transaction.
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