Detect if package support has been removed
Merge branch 'master' of github.com:esl/edown
add rebar customization scripts; github URL rewrites
Added priv/scripts/rebar.config.script
Merge branch 'sf/markdown-tweaks' of github.com:seth/edown
regenerated docs after seth's patches
Experimental: Add option to name branch for top_level_README

See https://github.com/esl/edown/issues/8

If {top_level_readme, {Path, URL, Branch}} is specified, edown will
use Branch instead of deriving the current branch when linking to
the top-level README file.