created a createZipDistribution task on the gradle build

build.gradle

@@ -57,6 +57,13 @@ task libDist(dependsOn: subprojects.build) << {
     }
 }
 
+task createZipDistribution(type:Zip,dependsOn:"dist", description:"Package the nightly zip distribution"){    
+        archiveName "jME"+jmeVersion+"_"+jmeVersionTag+"_"+new Date().format("yyyy-MM-dd")+".zip"
+        from {"./dist"}
+        into(".")                
+        println archiveName       
+}
+
 task copyLibs(type: Copy){
 //    description 'Copies the engine dependencies to build/libDist'
     from {