GCI-9 Check bad Codepractices

1) Loggers should be **private static finale** and sharing name convention
2) Avoid **commented-out** lines of code
[Task's Ticket](https://issues.openmrs.org/browse/GCI-9)
[Melange-Task](http://www.google-melange.com/gci/task/view/google/gci2014/5384971845894144)