Use only pilosa roaring bitmaps + upgrade to version with perf improvements + use optimized API

[richardartoul]

No description provided.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@f78b28f). Click here to learn what that means.
The diff coverage is 63.8%.

@@           Coverage Diff            @@
##             master   #1238   +/-   ##
========================================
  Coverage          ?   70.7%           
========================================
  Files             ?     748           
  Lines             ?   63074           
  Branches          ?       0           
========================================
  Hits              ?   44641           
  Misses            ?   15548           
  Partials          ?    2885

Flag	Coverage Δ
#aggregator	81.6% <ø> (?)
#cluster	85.7% <ø> (?)
#collector	78.4% <ø> (?)
#dbnode	80.9% <ø> (?)
#m3em	73.2% <ø> (?)
#m3ninx	74.3% <63.8%> (?)
#m3nsch	51.1% <ø> (?)
#metrics	18.2% <ø> (?)
#msg	74.9% <ø> (?)
#query	60.3% <ø> (?)
#x	76% <ø> (?)

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[robskillington]

LGTM