Fix FailureCodeTracker not being fully Serializable by converting it to use autoboxing rather than an inner class (slightly more memory churn worst case but in practice probably less as small ints are interned)
Comments
Imports
Comment: no, we don't
Update comments re DB4O / persistence, add a few javadocs.
Remove now unused class DatastoreCheckerItem
Remove transientToString db4o madness
Remove more db4o stupidity
Remove spectacular db4o stupidity in Compressor
Remove ClientRequestSchedulerNonPersistent/Core
Rename ClientRequestSchedulerBase -> KeyListenerTracker
Remove more cruft
Add Serializable, serial version IDs
Rename TransientSendableRequestSet to SendableRequestSet and remove the interface
Serializable
Don't need Encodeable.
Remove BackgroundBlockEncoder. No longer necessary.