Merge pull request #38 from WebBreacher/osx

Moving the OS X bulk stuff to the appropriate files and formatting.
update mdwiki to 0.6.1
Merge branch 'pwnwiki.github.io/update_mdwiki'
removing submodules will submit pull for subtree soon
Removing the osx/bulk.md file since the remaining content is Linux/Unix and not specific OS X. Added collapse/expand script to navigation.md page.