heptapod-ci: add a script to map evolve branch to mercurial revision for tests
map-hg-rev.sh can be tested using this command:
```sh
for i in $(hg log -T '{branch}\n' | sort -u); do
echo $i $(testlib/map-hg-rev.sh $i)
done
```
#!/bin/bash
set -eox pipefail
function compile {
pandoc \
-s $1 \
-o $2 \
--toc --toc-depth=4 \
-F pandocfilters/examples/graphviz.py -F mypandocfilters/graphviz-file.py -F mypandocfilters/raw-file.py \
-t html5 \
--template standalone.html --variable=template_css:uikit.css
}
compile slides.md index.html