RFR: Reports plugin [v2]

[Alexandre Iline]

> An initial code for the report plugin.

Alexandre Iline has updated the pull request incrementally with one additional commit since the last revision:

  A constant for separator line.

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Changes:
  - all: https://git.openjdk.org/jcov/pull/41/files
  - new: https://git.openjdk.org/jcov/pull/41/files/5147aeac..6b5de03c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jcov&pr=41&range=01
 - incr: https://webrevs.openjdk.org/?repo=jcov&pr=41&range=00-01

  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jcov/pull/41.diff
  Fetch: git fetch https://git.openjdk.org/jcov.git pull/41/head:pull/41

PR: https://git.openjdk.org/jcov/pull/41