Attempt at fix by using tree handle recorded in AntiValue
Add new VolumeStorageL2 for lock volume.  Prune synchronously.
Add new VolumeStorageL2 for lock volume.  Prune synchronously.
Cleanup
Cleanup. Make UI use Volume name rather than path. Make the _lock volume visible in UI. Sort volume names alphabetically.
Remove extra call to updateActiveTransactionCache
Merge from trunk
Remove cruft
Get rid of two dead methods
VolumeStorageL2 is now a subclass of VolumeStorageT2 and is much smaller
Merge from trunk
Better Exception handling for invalid page size
Correct BufferSizeUnavailableException cases
Get buffer pool from volume structure instead of lookup by page size
merge pbeaman: Fixes bug1126868.

https://code.launchpad.net/~pbeaman/akiban-persistit/fix-1126868-lock-table-pruning/+merge/152063