grappa: emit files in the c_test_environment directory

Rather than in the raco root. I do not like tests polluting the file system
(too much).
Merge pull request #369 from uwescience/grappa-fixes

one or maybe more fixes for grappa tests
forgot some test files in the ignores
regenerate all test inputs if any are missing
prettify the input gen script
Merge pull request #371 from uwescience/bmyerz/fix-370

Bmyerz/fix 370
Merge branch 'master' into shumo_hc_tie_breaking_heuristic
add test for the tie-breaking heuristic