added hint for using quotes in configure blocks, see also JENKINS-22708
throw exception when calling getProperties from item context.
Merge pull request #294 from sheehan/JENKINS_22708

throw exception when calling getProperties from item context.
Merge pull request #293 from CoreMedia/JENKINS-22708

[JENKINS-22708] Updated configure block docs
mention fix for JENKINS-22708 in release notes
flexible publish