SLING-7047 - Update Dropwizard Metrics bundles to 3.2 to eliminate sun.misc dependency.
SLING-7047 - Update Dropwizard Metrics bundles to 3.2 to eliminate sun.misc dependency.

Added a Import-Package with version range which include 3.1 so that
commons metrics can be used in setups having older version

git-svn-id: 6eed74fe9a15c8da84b9a8d7f2960c0406113ece@1805602 13f79535-47bb-0310-9956-ffa450edef68

trekawek/sling,trekawek/sling,tmaret/sling,trekawek/sling,ist-dresden/sling,ist-dresden/sling,vladbailescu/sling,tmaret/sling,vladbailescu/sling,tmaret/sling,tmaret/sling,trekawek/sling,trekawek/sling,vladbailescu/sling,vladbailescu/sling,ist-dresden/sling,ist-dresden/sling,trekawek/sling,ist-dresden/sling,tmaret/sling,vladbailescu/sling