Document per reactor custom actions.

Document the possibility of using per reactor actions that override the
custom ones and add a demo of it.
Merge pull request #2 from bfabio/per_reactor_actions

Document per reactor custom actions.
Removed the thanks.txt file

Not sure where it came from
Using updated static jquery 1.8.3
Added jasmine specs
Merge branch 'master' into logical_or

Conflicts:
	demo/demo_list.html
	lib/jquery.react.js