Initial draft of tutorial on Metafont combinators
travis: build with older version of shake
Mention Monoid instance of metafont Join
Move askOracle outside of withResource

needed to run without error on recent versions of Shake
Revert "travis: build with older version of shake"

This reverts commit f3727abe30c0f3572b97e53ade2c855476eec84e.
Merge pull request #36 from diagrams/metafont

Metafont