HLL: avoid direct buffers + fix swap target buffer

add doc for numShards

Fix shard count limit

Fix shard count limit at another place,
Use partitioned as a flag

Batch ingestion fixes

PullDependencies changes.

- Pull default Hadoop version by default.
- Allow additional coordinates on the command line.

Better handle null adapters and NPEs in the CQE

1) Fix path when mapped output is compressed
2) Add number of reducers to the determine hashed partitions job
manually
3) Add a way to disable determine partitions and specify shardCount in
HashedPartitionsSpec

Fix pull from cache

Support for postgresql

handle NaN / Infinity values

Fix server metrics to avoid NaN and Infinity

1) Add test for caching and calculation of dependent post-aggs for
TimeSeries and TopN
2) Fix more NPEs while calculating dependent postAggs, passing
baseHolder was wrong as it does not contain post-aggs during computing
dependent ones.