Do not run propgcc test if propgcc compiler wasn't installed.
Cleanup comments.
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.
Merge pull request #4 from d2rk/master

Work on the issue #43