[maven-release-plugin] prepare release jenkins-1.532
[maven-release-plugin] prepare for next development iteration
updated changelog for release
[JENKINS-16502] Permission to see an executor/slave

- This is an initial version of the feature.
- The information about slave names is still exposed via label autocomplete
Merge pull request #951 from stephenc/master

[JENKINS-16502] Permission to see an executor/slave
updated changelog as a part of the release
merged back the RC branch
creating an RC branch
the trunk is toward 1.534-SNAPSHOT