Switched debug message in @EvictTuples to use log4j...
Merge remote-tracking branch 'upstream/master'
first commit of AntiCacheManager refactor/extension

- Extend AntiCacheManager to support multiple eviction distribution methods
- Refactor stats collection to maintain more complete partition and evictable table stats
- Rework logic for checking whether to do evictions (target a sawtooth pattern now)
- Additional parameters in site conf for anticaching
- Improved attempt at determining whether eviction is ongoing (might be a race condition here)
- Fix a few other bugs/nits