make test more resilient to GENOME_TEST_INPUTS changes
remove commented out debug code
add compare_dirs

Adds a compare_dirs test function for comparing the files in two
directories.
make test more resilient to GENOME_TEST_INPUTS changes

This makes use of the new `compare_dirs` test function and updated test
inputs to make this test more resilient to GENOME_TEST_INPUTS changes.
make test more resilient to GENOME_TEST_INPUTS changes
make test more resilient to GENOME_TEST_INPUTS changes
make test more resilient to GENOME_TEST_INPUTS changes
make test more resilient to GENOME_TEST_INPUTS changes
make test more resilient to GENOME_TEST_INPUTS changes
make test more resilient to GENOME_TEST_INPUTS changes
Merge pull request #280 from nnutter/genome_test_inputs

make tests more resilient to GENOME_TEST_INPUTS changes