Log Message:
Changes 2.8.2:

* Gdk::Window::set_cursor():
  Avoid leaking an extra Cursor instance.
* Build:
  - Correctly find gmmproc on 64-bit systems.
  - Optionally don't build the documentation, for
  people in a hurry.
  - Windows: Check for mkifofs().
  - For reduced-resources devices, optionally allow deprecated
    API to be left out of the library.
* Documentation:
  - Generated Since and Deprecated lists of API.
  - Improved Expander documentation.
  - Corrections to DrawArea chapter in book.