Improve unregister definition.
Divide notifyClassListener method in two new methods and remove strategy enum.
Solved bug: fill visitedBundles Set.
Check current platform bundles on BundleGuard boot.
Use custom logging configuration for tests.
Solve bundle dependency chain issue using refreshBundles() utility.
Add javax.inject dependency.
Solve SLF4J binding conflict excluding Karaf client.
Merge pull request #25 from logoff/core/bundletree_improvement

Bundletree improvements