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
same location as TEST_OPTIMIZER_MULTISTARTS, etc in combined_example_test