Merge branch 'python'

Pull in recent changes to the install script, especially the license
and README (now that we're a stand-alone repository).

* python:
  README.md: Copy the docstring into a README
  swc-windows-installer.py: Fix 'swc_windows_installer.py' -> hyphens
  swc-windows-installer.py: Change '~/nano.rc' to 'a ~/nano.rc'
  swc-windows-installer.py: Canonical SQLite capitalization
  COPYING: Add the full text of the MIT license