INT-2182 interim
INT-2182 work in progress
INT-2182 Refctored MessageGroupQueue and related classes
- created MGS.pollMessageFromGroup(groupId)
- removed MARKED messages concept
- renamed UNMARKED to just Messages
- removed keepReleasedMessages attribute
- refactored JdbcMessageStore to NOT store Messages that belong to a MessageGroup in the MessageGroup table, only relationship
- provided implementation of pollMessageFromGroup method in JdbcMessageStore
- polished tests
INT-2182 refactored MongoDB support to reflect changes to MGQ
INT-2182 added Gemfire support for polling
INT-2182 added Redis support
INT-2182 polishing
removed syncronized blocks from SMG, added availablePermits() method to UpperBound, polished JdbcMessageStore
INT-2182 polishing
INT-2182 polishing
INT-2182 polishing
INT-2182 polishing
INT-2182 polishing
INT-2182 polishing based on PR comments