Initial commit

Clones impress.js at revision d505df4e4ed20f91b589893cba306fe693ab17d3
and replaced README.md.
Strip out the tutorial and prepare for my own content
Basics in
Use 'Lobster' font for title
More content -- 実は pane and plumbing/porcelain overview
Add impressConsole.js to project
Hide notes from main presentation
Add personal details
Change git filter-branch example to git stash

git stash is a much more well-known, commonly-used command than
filter-branch.
Add some speaker notes
Lead in to the filesystems slide
Filesystems slide
Add example usage of the two FS types
Fix jituha animation
Remove fadeout css from filesystems slide
Centralise filesystem bullet points

Not convinced this is the right thing to do but giving it a try for
now...
Add slide: the core of git
Move details onto title slide
Japanese corrections
Move 実は pane down and only fade in subitems