Allow bundles to provide settings of their own.
Update Resolver API to receive context.
Write some comments for the resolver classes.
Move the resolver attribute to a proper config value.

This does not change the API, but makes it easier to set for bundles via the
existing constructor arguments.
Support bundle config settings in YAML loader.
ContextWrapper: Fix environment property, add get().
Fix some missing context wraps.
Update Jinja2 template tag for new syntax.
Make Filter class use context correctly.
Fix some comment grammar.
Script module had some issues with new API still.
Helpful exception when coffeescript is not installed
Support for utf-8 input files
Fix some tests that weren't passing perhaps due to utf-8

Or perhaps due to my node version. The coffe-script version
installed was the one from the requirements-dev
Spelling correction
remove unicode indicator in python2 unicode string
Added LESS_PATH option
Use Environment.directory as reference for absolute paths
Document relative paths
Use env.resolver instead