Keep only python 2.7 support.
Add message for assert in test_mapping_registration.
python2.7
Assertation for python2.7
Return error code if run_tests fails.
Remove unneccesary prints.
Add/Remove logging messages.
Cleanup the code.
Fix version info.
Update the message. Add information about application hone dir.
Print application state.
Move mapping registration from app module to mapping.