[Rev 05] RFR: 6549: Color flame chart based on package name

[Miroslav Wengner]

> implemented ticket : https://bugs.openjdk.java.net/browse/JMC-6549
> additionally:
> 1. fixed issue with displaying big data set in flameview
> 2. improved display speed
> 
> comments:  cell coloring algorithm is based on packageName hash with defined depth to avoid collisions and guarantee same stripPackageName color.
> conclusion: the flameview is always displayed

The pull request has been updated with 1 additional commit.

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Added commits:
 - be283068: 6549: Color flame chart based on package name

Changes:
  - all: https://git.openjdk.java.net/jmc/pull/29/files
  - new: https://git.openjdk.java.net/jmc/pull/29/files/59afc3d9..be283068

Webrevs:
 - full: https://webrevs.openjdk.java.net/jmc/29/webrev.05
 - incr: https://webrevs.openjdk.java.net/jmc/29/webrev.04-05

  Stats: 7 lines in 1 file changed: 0 ins; 0 del; 7 mod
  Patch: https://git.openjdk.java.net/jmc/pull/29.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/29/head:pull/29

PR: https://git.openjdk.java.net/jmc/pull/29