action_distribution.js
 - Added 1 new probability for the distribution configuration
   + remove output
   Renamed remove to be remove mutator
 - Based probability distribution on this https://f.cloud.github.com/assets/302673/491584/a6cc7e0c-ba40-11e2-9aee-c9828168cb66.png
engine.js
 - Using the action_distribution.js for this now, effectively closing the skew ticket
index.html
  - Including action_distribution
tests.js
  - Removing all prob.distr tests
Releasing the probability distribution change