version 3.3.1
  - configure.ac: Bump cheese version to 3.3.1
  - Update .gitignore
    Additionally, remove INSTALL, as it is created during autoreconf.
  - Work around an error during uninstall of distcheck
  - Convert src subdirectory to build non-recursively
  - Convert documentation to build non-recursively
  - Make data directory build non-recursively
    Additionally, make the GSettings schema translatable.
  - Convert tests to build non-recursively
  - Convert libcheese to build non-recursively
  - Update toplevel Makefile.am to more modern style
  - Update configure.ac to more modern style
  - Make preferences dialog layout HIG-compliant
    The layout of the preferences dialog was ported to a new one that
    conforms to the HIG and is also based on GtkGrid containers. Fixes bug
    661651.
  - Prefer a dark GTK+ theme, bug 660628