Finished merging hooks-actions into trunk. Brace yourself, it's a huge chunk of changes.

Tonight I'll merge hooks-actions into trunk. I just wanted to have some documentation in place so people are not at a loss about the changes.

@daniel If you're impatient, you can check out from svn. For info on how to use it: http://groups.google.com/group/esme-dev/browse_thread/thread/c4516c1d590f490d