[JENKINS-22862] DSL for Maven Deployment linker plugin
[JENKINS-22862] DSL for Maven Deployment linker plugin
- fixed regex pattern in documentation and test
some cleanup, with blocks do not work in Spock within then sections
Merge branch 'JENKINS-22862'

Conflicts:
	docs/Job-DSL-Commands.md
	docs/Job-reference.md
	job-dsl-core/src/main/groovy/javaposse/jobdsl/dsl/helpers/publisher/PublisherContext.groovy
	job-dsl-core/src/test/groovy/javaposse/jobdsl/dsl/helpers/publisher/PublisherHelperSpec.groovy