Empty file for windows docs.
Some beginning collection for Windows users.

Leaving the office so it's a bit unkempt.
Add additional information about encoding issues on Windows
Add note about auto-regeneration
Add block of code which should be added to Gemfile for Windows listen compatibility.

Closes https://github.com/mojombo/jekyll/pull/1720
Add note about deployment on OpenShift using @developercorey's Jekyll cartridge.
Bump RedCarpet dependency to ~> 3.0
Merge pull request #1812 from mojombo/openshift-cartridge
Update history to reflect merge of #1812
Merge pull request #1815 from mojombo/redcarpet-3
Update history to reflect merge of #1815
mojombo/jekyll ~> jekyll/jekyll
Update history to reflect merge of #1817
Merge pull request #1817 from jekyll/move-to-jekyll-jekyll

mojombo/jekyll ~> jekyll/jekyll
Use Markdown, silly
Merge pull request #1818 from jekyll/windows-docs
Update history to reflect merge of #1818
post_url tag raises ArgumentError for invalid name

Using post_url tag with invalid name raises TypeError.

It should raise ArgumentError and should display detail of the error to
fix the error.
added error description for invalid post name
Default Maruku fenced_code_blocks to ON.

Extends https://github.com/jekyll/jekyll/pull/1799