Travis CI now support python 34. Added to .travis.yml file
Adds pypy to .travis.yml
Adds PyPy support to docs [skip ci]
Merge branch 'develop' into feature/schema_compliance
Updates docs with MediaRef
Fixes list in MediaRef docstring
Moves XML parsing of Description's into public method of AscDescBase
Moves XML parsing of input and viewing description into public methods on the AscColorSpaceBase class