Enable building modules as fat jars

modules/build.gradle

@@ -38,17 +38,14 @@ subprojects {
                     'Plugin-Provider': "${pluginProvider}",
                     'Plugin-Dependencies': "${pluginDependencies}"
         }
-    }
 
-    task plugin(type: Jar) {
-        archiveBaseName = "plugin-${pluginId}"
-        into('classes') {
-            with jar
+        from configurations.compile.collect {
+            // We already have kotlin stdlib in app module
+            // so it is important to exclude in order
+            // to prevent conflicts
+            exclude "kotlin/**"
+            it.isDirectory() ? it : zipTree(it)
         }
-        into('lib') {
-            from configurations.compile
-        }
-        archiveExtension = 'zip'
     }
 
     task assemblePlugin(type: Copy) {