Cleanup some tabs/spaces
Update markdown.js, add highlight.js, implement highlighter with Github styling, set markdown sanitize true
Update ACE editor, Fixes #162

Uses release from April 11th, 2014 (04.11.2014)
Update dependency files
Merge pull request #164 from circuitbomb/master

Update markdown.js, Add code highlighting, Sanitize markdown
Merge pull request #165 from swang/update_ace

Update ace, Fixes #162