Update README.md

Super critical change to extend copyright to 2013 :)
Extract a method which accepts an own root configuration
Merge pull request #80 from yurkom/master

Extract a method which accepts an own root configuration
Split to make Decomposer/Extractor types easier to find.
Trivial file rename Serialization.scala => Extractor.scala
Minor import fixes.
  Added the ability to create a MimeType instance for some type other
  than the current built-in types.
Added Stoppable.Noop
Merge branch 'master' into milestones/1.0.0-Mx