FELIX-3360 Fix dynamic configuration binding

- getConfiguration(pid) binds dynamically
- createConfiguration(pid) binds dynamically
- add integration tests to validate removal of
  dynamic bindings
- make sure dynamic binding is cleared if
  static binding is set

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1513740 13f79535-47bb-0310-9956-ffa450edef68