[FIXED JENKINS-23150] Plugin Manager - Only allow enable/disable/uninstall when all dependants or dependencies are disabled/enabled

[JENKINS-28781] update the bct library to 1.6.2.

Pickup the changes in the bytecode-compatibility-transformer for
JENKINS-28781

* master:
  Update the changelog by new merges:
  [FIXED JENKINS-30569] HistoryWidget: fix JS syntax error
  [FIXED JENKINS-29014] render API link conditional on getApi() presence
  [JENKINS-21720] JS alert preventig to leave a configuration page even without formulary changes
  add ctags file 'tags' to .gitignore
  [maven-release-plugin] prepare release jenkins-1.632
  [FIXED JENKINS-29888] Handling all exceptions returned by logRotator
  [JENKINS-30742] Fixed possible NPE in AbstractProject.resolveForCLI()

* JENKINS-29888 - https://github.com/jenkinsci/jenkins/pull/1790
* JENKINS-30742 - https://github.com/jenkinsci/jenkins/pull/1849
* JENKINS-29014 - https://github.com/jenkinsci/jenkins/pull/1850
* JENKINS-21720 - https://github.com/jenkinsci/jenkins/pull/1854
* JENKINS-30569 - https://github.com/jenkinsci/jenkins/pull/1856

[FIXED JENKINS-29888] - Handling all LogRotator exceptions

[JENKINS-30742] Fixed possible NPE in AbstractProject.resolveForCLI()

[maven-release-plugin] copy for tag jenkins-1.632

[FIXED JENKINS-29014] fix broken 'REST API' link

add ctags file 'tags' to .gitignore

[JENKINS-21720] JS alert preventing to leave a configuration page without changes

[FIXED JENKINS-30569] HistoryWidget: fix JS syntax error

* master: (58 commits)
  Changelog: Replace the PR reference by the JIRA issue reference
  Noting https://github.com/jenkinsci/jenkins/pull/1818
  Noting https://github.com/jenkinsci/jenkins/pull/1804
  [JENKINS-30002] Improve Util.isOverridden
  Noting #1842
  [FIXED JENKINS-30777] this concludes the fix
  [JENKINS-30777] also allow slaves to decorate logger
  [JENKINS-30777] Generalized the signature to work with Run, not just AbstractBuild.
  Diamond operator
  [FIXED JENKINS-29876] CheckForNull job in ReverseBuildTrigger
  Noting JENKINS-30084 in changelog
  [JENKINS-30084] remove extra space
  [JENKINS-30084] address feedbacks
  [JENKINS-30084] indent back
  [JENKINS-30084] fixing test
  [JENKINS-30084] fixing test
  [JENKINS-30084] enhancing test case
  [JENKINS-30084] test added to make sure a flyweight task can be blocked at last minute
  [JENKINS-30084] fix regression when flyweight task is blocked by upstream/downstream project
  [JENKINS-30084] some more polish
  ...

Add task-icon-link class to left menu

[JENKINS-30002] Improve Util.isOverridden

[FIXED JENKINS-29876] CheckForNull job in ReverseBuildTrigger