Changes to single OSGi Bundle view

Handle fragments vs bundles more gracefully.
Show what other bundles are wired to this one.
Various small tweaks.
This relates to #168.
#184 JMX charts on integer fields aren't displayed
initial checkin for #70 so we have an MBean for querying nexus style maven repositories using maven-indexer
attempt at version completion (doesn't work though :)
removed unnecessary cruft from sample app
removed unnecessary cruft from sample app