Retrieve the most suitable revision for source links in the docs
Replace getrev.sh with a one-liner (thanks @bellthoven)
Remove unnecessary Mix test output
Merge pull request #1083 from ericmj/mix-cmd

Remove unnecessary Mix test output
Merge pull request #1078 from alco/custom-doc-rev

Retrieve the most suitable revision for source links in the docs
Use :stdio as default argument in capture_io
Split SOURCE_REF into its own makefile function
Update ExDoc directory