bake: Big pass on bake performance. - Reduce the amount of data passed between processes. - Make inter-process data simple objects to make it easier to test with alternatives to pickle. - Make sources have the basic requirement to be able to find a content item from an item spec (path). - Make Hoedown the default Markdown formatter.

cov-core==1.15.0
coverage==4.0.3
invoke==0.12.2
mock==1.0.1
pytest==2.8.7
pytest-cov==2.2.1
pytest-mock==0.10.1