Fix overly greedy yaml stripping
Add the multimarkdown parser
Add support for saving output to source directory

- If file does not exist on disk, open in a new view and issue the save
command
Allow build to be overridden with any normal targets
html_simple: no ids, classes, style, head, body, or css
Inject header ids in github parser to fix header links
Multimarkdown parser should use own critic feature

- Move yaml into own preprocessor function
Remove unneeded critic CSS
Fix multiline tasklist item
Explicitly set table background
Add CSS for admonition and enable it

- Enable admonition
- Add css for arbitrary types: attention, caution, hint, danger, note
(just something to give people ideas)
Style abbr with pointer cursor
magiclink can now find www.example.com and email address
Try some better monospace fonts before "monospace"
Fix tasklist first line is p tag
Merge Issue #219
Merge pull request #216 from facelessuser/master

Bug Fixes and Improvements