Add Bandits to moe examples

********* PEOPLE *************
Primary reviewer: @sc932 

Reviewers: @suntzu86 

********* DESCRIPTION **************
Branch Name: norases_386_add_bandits_to_moe_examples
Ticket(s)/Issue(s): #386   

********* TESTING DONE *************
make test
make style-test
you will need a dict BANDIT_ENDPOINT_TO_BANDIT_ROUTE_NAMES. That complicates things. I am minimizing the number of dict we have to loop through.