Enables fine-tuning wtp facet details of the Eclipse plugin

Advanced configuration closures beforeMerged and whenMerged receiveWtpFacet object as parameter.

apply plugin:'war'//or 'ear' or 'java'apply plugin:'eclipse-wtp'eclipse {  wtp {    facet {//you can add some extra wtp facets; mandatory keys: 'name', 'version':      facet name:'someCoolFacet', version:'1.3'      file {//if you want to mess with the resulting XML in whatever way you fancy        withXml {          def node = it.asNode()          node.appendNode('xml','is what I love')        }//beforeMerged and whenMerged closures are the highest voodoo for the tricky edge cases.//the type passed to the closures is WtpFacet//closure executed after wtp facet file content is loaded from existing file//but before gradle build information is merged        beforeMerged { wtpFacet ->//tinker with WtpFacet here        }//closure executed after wtp facet file content is loaded from existing file//and after gradle build information is merged        whenMerged { wtpFacet ->//you can tinker with the WtpFacet here        }      }    }  }}