evolve: move builddependencies() and _singlesuccessor() to utility module
The builddependencies() and _singlesuccessor() function are very useful
functions and can be used at a lot of places. They are also used in topic
extension also, so let's move them to utility. However moving them to utility
won't help anything in the topic extension.
all: tutorials/tutorial.rst tutorials/topic-tutorial.rst static/logo-evolve.ico
sphinx-build . ../html/
tutorials/tutorial.rst: tutorials/tutorial.t test2rst.py
python test2rst.py tutorials/
tutorials/topic-tutorial.rst: tutorials/topic-tutorial.t test2rst.py
python test2rst.py tutorials/
static/logo-evolve.ico: static/logo-evolve.svg
convert -resize 36x36 static/logo-evolve.svg static/logo-evolve.ico