If the `pkg_resources` module is not available, the `FaviconController` will
fall back to finding the default image in the same directory on the filesystem
as the `milla` package.
* Include milla.ico in package_data in setup.py
* Use pkg_resources API to load icon instead of milla.__file__
* Allow caller to specify icon content type
For convenience, a `Controller` class now exists from which all classes wanting to implement these methods should descend. This will allow sane cooperative multiple inheritance.
Dustin
Dustin C. Hatch