Add .gitignore, don't look at IDE files
We're going to set this up as an installable package rather than "just" a pip-installable package.  Let's make it easier on distro maintainers.
Major, breaking changes.  We're going to make this a distro-packageable project as opposed to "just" a pip-installable one.  First we restructure the project so that we use the most commonly used paths for userspace programs.  Make a shell script that calls our pypanel.py module, put our C module in there, and move the icon to the pixmaps directory.