2. Refactored Octopress filters into Liquid filters and pre/post render filters (using post_filters plugin)
3. Added methods to raw plugin to prevent Markdown and Textile from parsing blocks
4. Updated render partial to invoke the pre_render method of post_filters
5. Moved Rubypants filter out of default.html into Octopress post_render filters
6. Added raw's safe_wrapper method to codeblock and include_code filters
2. Added a page layout and improved html on post layout.
3. Improved flexibility of stylesheets for different layout types.
4. Collapsing sidebar now moves it to the bottom of the page and floats
content into columns.
5. Improved sharing settings, added Google plus one.
