[FIXED JENKINS-23410]

Integrated the fix made in winp 1.20.

Conflicts:
	changelog.html

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>
Forgot to commit this image.
[JENKINS-15094] - Unit tests for the issue

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>

Conflicts:
	core/src/test/java/hudson/model/ParametersActionTest.java
	test/src/test/groovy/hudson/cli/BuildCommandTest.groovy
[FIXED JENKINS-15094] - Handle null parameter values in BuildCommand (CLI) and Parameter classes (CLI).

The change adds missing checks for null ParameterValue, which may be passed from the CLI.
It prevents the death of Jenkins executors during the canTake() check of node labels.

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>

Conflicts:
	core/src/main/java/hudson/cli/BuildCommand.java
	core/src/main/java/hudson/model/ParametersAction.java
[FIXED JENKINS-22938] SSH slave connections die after the slave outputs 4MB of stderr, usually during findbugs analysis

Conflicts:
	changelog.html

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>
Merge branch 'stable-custom-core-1.509.4' of https://github.com/synopsys-arc-oss/jenkins into stable-custom-core-1.509.4