Rename first two readings to match my normal naming conventions.
Add images for the git reading in response to new github UI.
Rename the inheritance reading.  (Also seem to have renamed a PNG).
Add images for the Eclipse reading.
Rewrote Eclipse reading (more or less from scratch).
Revise reading on Git for release.
Rename labs to match my "all lowercase" naming style.
Add a "tools" lab with links to the two real tools labs (git and eclipse).
Rewrite Eclipse lab in preparation for release.
Rewrite git lab in preparation for release.
Add section on basics of object-oriented programming (reformatted and
slightly edited from Espresso).
Minor change to section title in oops-basics.
Add .gitignore to ignore the .html files.  (Why wasn't it there already?)
Add first reading on Java (mostly copied and reformatted from Espresso).