do not use deprecated API
Merge pull request #9 from CoreMedia/deprecations

Prepare Update to Groovy 2.x
[maven-release-plugin] prepare release groovy-1.15
[maven-release-plugin] prepare for next development iteration
Add hidden field stapler-clazz to make it work as part of other plugins.
Works embedded
Move validation button outside of entry to make tests work
[FIXED JENKINS-6797] Made a patched copy of hetero-radio to fix issues with closed radio details.
Fixed spelling error in warning message
Merge pull request #12 from djonsson/master

Fixed spelling error in warning message
Merge branch 'databound-constructor' of https://github.com/wolfs/groovy-plugin into pr11