* Quoting some paths, which is a good idea, even when it works unquoted.
* Adding a path for Python 2.7 (installed 2.7.3 from Python.org)
* Adding a path for my django-utils project (https://github.com/johnmarkschofield/django-utils)
* Making Kaleidoscope the default git diff tool.
* removing .gitexcludes, because I should be doing that on a repo-by-repo basis.