Major config refactoring
Change getInteger -> getInt
remove Candlepin's Config class & switch to using common Configuration
rework JPAConfigParser, and various test fixes

* use a real configuration
* fix CandlepinContextListenerTest
* fix pinsetter tests
* fix resourceintegration test
* fix ConsumerExporterTest
* fix a bunch of importer/exporter unit tests
* use correct class for Logger
* inject configuration
reorder things around
Do not put an extra newline on the end of the password file.