Initial Travis yaml file
Remove a few of the 'import *' statements

There are various 'import *' statements scattered through the code which
generally are not a good thing. These are some of the more straight
forward ones to fix up, but it still leaves a few others that need a
closer look at before removing.
Remove 'import *' statement from back_mysql.py - NEEDS REVIEW
Remove 'import *' statement from portalocker.py - NEEDS REVIEW