Enable WebAPI action filters to be applied based on predicate

[tillig]

From @alexmg on January 22, 2014 14:25

From travis.illig on May 29, 2013 04:38:55

The idea is to enable additional configuration of when a filter applies to a controller by allowing use of a lambda predicate during registration.

builder....AsWebApiActionFilter(
methodInfo => methodInfo.DeclaringType.Namespace.Contains(".Foo") &&
methodInfo.GetAttribute() != null)

Code/discussion here: https://groups.google.com/forum/?fromgroups#!msg/autofac/S2ia55LBqXo/ZnPNvb3UVyMJ

Original issue: http://code.google.com/p/autofac/issues/detail?id=439

Copied from original issue: autofac/Autofac#439