SLING-3097 - Track bundle deployment operations in the Sling console
view

Deleted empty SlingConsole class.

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1530911 13f79535-47bb-0310-9956-ffa450edef68
SLING-3097 - Track bundle deployment operations in the Sling console
view

Add a TracingOsgiClient which optionally wraps the main OsgiClient, if
the EventAdmin is not available.

The Maven deployment was not instrumented to display in the Sling
console since it opens its own console when running.

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1530912 13f79535-47bb-0310-9956-ffa450edef68