Added support for Jenkins JsHint plugin
https://github.com/levsa/jshint-checkstyle-plugin
Updated tests to match added jshint support
Merge branch 'master' of github.com:ki82/job-dsl-plugin

Conflicts:
	job-dsl-core/src/main/groovy/javaposse/jobdsl/dsl/helpers/publisher/StaticAnalysisPublisherContext.groovy