[BOOKKEEPER-332] Add SubscriptionPreferences to record all preferences for a subscription

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.2.0
• Component/s: hedwig-server
• Assignee: Sijie Guo
• Reporter: Sijie Guo
• Created: 09/Jul/12 08:58
• Updated: 13/Feb/13 15:47
• Resolved: 17/Aug/12 15:33

Description

Add SubscriptionPreferences to record the preferences for a subscription. This jira includes:
1) add SubscriptionPreferences protocol.
2) separated preferences from subscription state to decouple infrequent-changed data from frequent changed data (like lastConsumedSeqId).
3) add backward testing.