added consistency test for cartpole-refactoring

tests work at 598f3d147d6582, but not at HEAD
refined docstrings of PST, Pacman and Pinball

addresses issue #17
fixing broken text, typos, added formatting and links to classes and methods
Updated documentation for Domain base class.
fixes issue #32
Merge branch 'master' of bitbucket.org:rlpy/rlpy
Updated documentation for half of the domains
Added documentation for additional domains, removed MultiTrack
finished documentation tidying
Merge branch 'master' of https://bitbucket.org/rlpy/rlpy
fixes #17
add some comments on Windows installation to the documentation
fixes issue #23