file reorg

moving files around so gh-pages can just be a branch of master and we
don't need to do the squirelly deploy stuff
Improving readme

also stands in as a good example of how to lay out documents for the
presenter
minor improvements

avoid reference error on code blocks with no classes specified

strip leading newline on code fragments (seems to happen with markdown
content)

add hover titles to editor toolbar
add support for mounting local folders of additional content
finish readme
Merge pull request #1 from WebDevBootcamp/master

merge upstream changes