FELIX-2868 Fix the resolution of the icon path according to the specification:
  - use the metatype XML file's URL as the base URL
  - have the URL constructor resolve the icon Path against that URL
  - increase o.a.f.metatype export version to 1.2 due to extended API

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1187688 13f79535-47bb-0310-9956-ffa450edef68
5 files changed