dmarcotte/github-markdown-preview — pull request #18 by dmarcotte (2014-01-07 16:16:21+00:00)
Title: Improve customization options

Two improvements which allow better customization from code:
- the filters and context used to configure html-pipeline can now be easily overriden/monkey-patched
- the file the preview is written to can now be configured with `:preview_file`