Changed default settings

Rotate by weeks in production by default. Also don't align logger names.
Merge branch 'feature/logging' of github.com:ares/katello into feature/logging

* 'feature/logging' of github.com:ares/katello:
  pull out configuration post_process down same as validation definition
  do not align logger names
Merge branch 'feature/logging' of github.com:ares/katello into feature/logging

* 'feature/logging' of github.com:ares/katello:
  fix test
  simplify #configure_children_loggers method
  add YARD log support