RFR: Avoid updating unchanged checks [v2]

[Robin Westberg]

> When the test info bot summarizes checks, there's no need to update summarized items that haven't changed. Also update the not-configured notice properly.

Robin Westberg has updated the pull request incrementally with one additional commit since the last revision:

  Fix build

-------------

Changes:
  - all: https://git.openjdk.java.net/skara/pull/976/files
  - new: https://git.openjdk.java.net/skara/pull/976/files/b9d61755..67b3bbfd

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=skara&pr=976&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=skara&pr=976&range=00-01

  Stats: 5 lines in 1 file changed: 5 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/skara/pull/976.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/976/head:pull/976

PR: https://git.openjdk.java.net/skara/pull/976