force to run Q2

Conflicts:
	c_test_environment/clang_myrial_tests.py
sp2bench Q2 in tests

Conflicts:
	c_test_environment/platform_tests.py
useful breakpoint

Conflicts:
	raco/rules.py
*sufficiently* fixes #316

Conflicts:
	raco/rules.py
undo bbf299e
flake
typo in naming q2
raco: cache schemes used in list comprehensions
remove todo from here in favor of raco issue
Merge pull request #318 from uwescience/bmyerz/fix-join-scheme-bug

fix join scheme bug
Merge branch 'master' into cfg-speedup

Conflicts:
	raco/algebra.py