DDF-417: Add maven war plugin version to silence warning
DDF-417: Remove shadow parameter. We already have it as a class field, so it doesn't need to get passed in as well.
DDF-417: Reduce checkstyle warnings
[DDF-456] Another attempt at switching to slf4j
DDF-456: Updated to bring in latest slf4j.

Allows use of more than 2 parameters.
[DDF-470] Change phase for dependency plugin.

Also add explicit version for maven dependency plugin to pom and whitespace fixes