Implemented UCB1-tuned.
Merge branch 'master' of https://github.com/Yelp/MOE into norases_366_ucb1_tuned_bandit
Removed debugging message.
Updated error message on adding two SampleArms with variance, Moved MAX_BERNOULLI_RANDOM_VARIABLE_VARIANCE to constant file.
Merge branch 'master' of https://github.com/Yelp/MOE into norases_366_ucb1_tuned_bandit
Updated class names from UCB to UCBInterface (similarly from Epsilon to EpsilonInterface). Addressed Eric's comments.
fixed typo allocaiton->allocation.
Merge branch 'master' of https://github.com/Yelp/MOE into norases_366_ucb1_tuned_bandit
Merge pull request #371 from Yelp/norases_366_ucb1_tuned_bandit

Added Bandit UCB1-tuned implementation