Implementing CStore

implementing cstore for ccalgebra and python script to run clangrunner
Hi @TheYorkWei @bmyerz ,

Are the new viz functions added in this commit used? If so, please create tests that run them.

You can see how I did this for the Myria language tests: https://github.com/uwescience/raco/blob/master/raco/myrial/myrial_test.py#L37