Original commit message from CVS:
* docs/design/part-clocks.txt:
* docs/design/part-element-sink.txt:
* docs/design/part-events.txt:
* docs/design/part-preroll.txt:
* docs/design/part-states.txt:
Some more tweeks and additions to the docs.
Original commit message from CVS:
Added state change code.
Added/updated docs.
Added sink base class, make fakesink extend the base class.
Small cleanups in GstPipeline.