[JENKINS-13105] for keyboard shortcuts plugin, allow j/k navigation for search results

[FIXED JENKINS-8663] Flag -U is not used during the parsing step of a Maven Job
good catch !

Maven Job

If the -U flag is specified in the goals/options of the build step of a
Maven job, it should be used as well in the parsing step.

[FIXED JENKINS-13448] Added additional checks if Guice will be able to create injector to exclude missing extension poins.

displayed run's estimated duration in api

The javadoc of MavenReporter states clearly that preBuild/postBuild is
only once per the entire build, but the previous code was calling it at
the same timing as enter/leaveModule.

This is now fixed.

Also removed a duplicate constant