remove double h1:s, stylesheet, image
improve .gitignore
properly handle file_suffix option
use markdown notation in headers
added edown_make script
escape brackets in generated pre parts
Fix source_path typo
Merge pull request #10 from norton/norton-typo

Fix source_path typo
Revisit handling of (duplicated) titles
don't escape hrefs in type annotations
don't automatically run make doc
equiv exprs escaped unless within html
eliminated dependency on commandline awk
added support for internal links; modification notice per license
Merge pull request #14 from beadsland/master

eliminated awk dependency
match * syntax, and "(no branch)" on deps repositories
clearer error reporting
flatten error list
format error
debugging output