use OSGi R6 annotations and add resource presence (wip)

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1784469 13f79535-47bb-0310-9956-ffa450edef68
6 files changed
tree: 99e680bf1ebacfe370cc9cd956f1fb72f2ea78ba
  1. pom.xml
  2. src/