Merge branch 'stable-3.3'
* stable-3.3:
Format BUILD file
Normalize chronicle-map configuration parameters
Delegate to memory cache factory for non persistent caches
Expose hot keys metrics
Expose remaining auto resizes free metric
Expose percentage free space metric for each cache
Bump up chronicle-map to 3.20.84
Replace wrong "entries" parameter in docs and commands
Evict cache entries when free space gets low
Make admins aware that diskLimit cannot be honoured
Provide SSH command to analyze H2 caches
Honour cache versioning
Change-Id: I06b01b34b78cd8bc8943c2ef3e9135164ac1aebd
