1. fixing bug where combined_example drops kwargs if the more specific kwargs aren't set
2. adding kwargs to mean_var in moe_examples
making kwargs nontrivial in moe_examples/tests
changelog update
Merge pull request #359 from Yelp/eliu_gh_358_fix_kwarg_handling_in_combined_example

Eliu gh 358 fix kwarg handling in combined example
Addressed Scott's comments. Pulled common test functions higher up to bandit_test.py for view tests.
Merge branch 'master' of https://github.com/Yelp/MOE into norases_354_ucb1_bandit

Conflicts:
	CHANGELOG.md