fixed bug where random state was not actually saved/restored between performance runs
Merge branch 'master' of https://bitbucket.org/rlpy/rlpy
Modules own their random number generators
fixed cartpole visualization crashing bug
added random seed, replaced np RNG with module RNG
added random seed, replaced np RNG with module RNG (representations)
fixed for RNG consistency - FiftyChain, CartPole, PST, SystemAdmin - now all pass test