build files for griffon

gui/gradle/publishing.gradle

@@ -0,0 +1,13 @@
+
+jar {
+    manifest {
+        attributes(
+            'Built-By'       : System.properties['user.name'],
+            'Build-Timestamp': new java.text.SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ").format(new Date()),
+            'Build-Revision' : versioning.info.commit,
+            'Created-By'     : "Gradle ${gradle.gradleVersion}",
+            'Build-Jdk'      : "${System.properties['java.version']} (${System.properties['java.vendor']} ${System.properties['java.vm.version']})",
+            'Build-OS'       : "${System.properties['os.name']} ${System.properties['os.arch']} ${System.properties['os.version']}"
+        )
+    }
+}