Added special categories to _config
Add special categories check to index
Made header links programmatic off _config.  also Forkme key off of baseurl
Made howtos folder
Add instructor howtos
Adds include file for Asciicasts
Add how-tos page
corrected asciicasting post
Made Forkme smaller to not obscure header at high magnifications
Add merging howto, merging & python basics exercise.
Format h1, h2 h3 a little
Merge pull request #119 from silshack/howto

Howtos, Asciicasting, and programmatic header
Merge pull request #121 from silshack/merging

Merging & Python basics exercise.
running clears output box now
Merge pull request #122 from silshack/prettyconsole

Some console improvements
add post about new console
fixed rendering ofof code console
now cleans html from codeblocks to be rendered. comments are still broken
now cleans html from codeblocks to be rendered. comments are still broken
fixed codeblocks so everything should work now. It's kind of a hack with code blocks, but it should behave better now.