[JENKINS-18368] added isUnix override to launcher decorator classes so that isUnix is maintained for remote launcherswq
Merge remote-tracking branch 'upstream/master'
[FIXED JENKINS-18368]: modified testcase asserts
[FIXED JENKINS-18368]: added Bug attributes
Merge remote-tracking branch 'upstream/master'
Merge pull request #817 from tlantz/master

[JENKINS-18368]: Decorated Launcher Does Not Maintain "isUnix" for RemoteLauncher