Merge pull request #52 from Asitha/jdbc-integration

storage integration
slot Impl - implemented to read missing messages when all the acks are received
Merge pull request #56 from sajinidesilva/slots_Imp

slot Impl - implemented to read missing messages when all the acks are received
package name moved to proper place
Merge pull request #57 from Asitha/patch-1

Package name moved to proper place
Use cassandra-driver-core instead of cql-driver
Merge pull request #58 from a5anka/cassandra_driver_change

Use cassandra-driver-core instead of cql-driver
SlotDeliveryWorker modification - if empty slot is assigned, delete it there
Merge pull request #59 from sajinidesilva/slots_Imp

SlotDeliveryWorker modification - if empty slot is assigned, delete it there
slot-based message delivery bug fixed - re-reading fromm message store
Merge pull request #60 from sajinidesilva/slots_Imp

slot-based message delivery bug fixed - re-reading from message store
changed a name of server configuration
Merge pull request #61 from sajinidesilva/slots_Imp

changed a name of server configuration
Fix foreign key violation when adding meta data for a new queue.
Merge pull request #62 from akalankapagoda/foreignKeyFix

Fix foreign key violation when adding meta data for a new queue.
introducing store level modifications, store strategy and removed Global queue manager and worker.
Merge pull request #63 from abeykoon/introduce_strategy_for_messageStore

introducing store level modifications, store strategy and removed Global...
Add fixes identified
Merge pull request #64 from a5anka/M1_hakathon

Add fixes identified
slot impl - bug fixed and refactored