CORE-4600 Updates for new DiskResourceRefreshEvent.
Merge branch 'master' into data-svc-caching
Merge branch 'v1.8.2' into data-svc-caching
Merge branch 'v1.8.2' into data-svc-caching
Merge branch 'master' into data-svc-caching
add clean up logic to remove events handlers when an object is destroyed
CORE-4860 Updated idrop-lite to version 2.0.1

Updated the idrop-lite version and filename in pom.xml.
Merge branch 'data-svc-caching'
Merge branch 'master' into STABLE
Versioned as part of Release Candidate for v2.0