added biotools.test
modified test.py
Modified load_(genemark-ES,genemarkS,nucmer,show_cords)
Corrected .common lines
oops, but .common locators back
Added manual customization of PYTHONPATH here, and djcelery
renamed executor.py to tasks.py since we're using django-celery now rather than celery directly
Changes to support new django-celery support
merge and conflict resolutions of testing_framework branch