minor fixes

Author: pappist

src/main/kotlin/integration/Integration.kt

@@ -4,13 +4,8 @@ import io.vertx.core.json.JsonObject
 
 interface ContentHandler {
 
-    fun handleContent(content: JsonObject, serverHost: String, workspaceId: String, resourceId: String, branchId: String, revision: Int)
+    fun handleContent(content: JsonObject, serverHost: String, workspaceId: String, resourceId: String, branchId: String, revision: Int): Unit = Unit
 
 }
 
-class NoopContentHandler: ContentHandler {
-    override fun handleContent(content: JsonObject, serverHost: String, workspaceId: String, resourceId: String, branchId: String, revision:  Int) {
-        /*NO-Op*/
-    }
-
-}
+class NoopContentHandler: ContentHandler