FELIX-4440 - dots in pathinfo's incorrectly removed:

- use an alternative implementation of the algorithm of RFC3986;
- added some additional test cases that prove the new implementation
  is working correctly.



git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1593051 13f79535-47bb-0310-9956-ffa450edef68