Remove expiry data while queue purging.
Merge pull request #181 from akalankapagoda/purgeexpire

Remove expiry data while queue purging.
Remove lib jars from tracking
Merge pull request #182 from a5anka/lib_clean

Remove lib jars from tracking
fixed a bug in slot unassignment.
Ignore andes-core lib directory
Merge pull request #183 from a5anka/lib_clean

Ignore andes-core lib directory
removing unused variables. stick to underscore-less naming conventions. correct debug logs, log contextual errors.
Merge pull request #184 from abeykoon/fix_bug_in_slot_unassignement

fixed a bug in slot unassignment.
Merge pull request #185 from hastef88/peer_review_fixes_queue_purge_and_config_revamp

removing unused variables. stick to underscore-less naming conventions. correct debug logs, log contextual errors.
Updating tracker before the message was release to the wire, avoid NullPointerException due to thread switching
Merge pull request #186 from pamod/mqtt_dev

Updating tracker before the message was release to the wire, avoid NullP...
Fix SSL Port binding.
Merge pull request #187 from akalankapagoda/sslconfig

Fix SSL Port binding.
msgId2MsgData map changed to ConcurrentHashMap and getMetaDataList changed to get batch records 1000 wise
Merge pull request #188 from indikasampath2000/performance

msgId2MsgData HashMap changed to ConcurrentHashMap and getMetaDataList changed to get batch records 1000 wise
Move message scheduled to deliver increment to set before thread.
Handle message DLC move exception.
Merge pull request #189 from akalankapagoda/incrementerUpdate

Move message scheduled to deliver increment to set before thread.
Add comment to explain logic behind getMetaDataList method