Added multi-element group for correct rendering of group of HTML elem…

…ents.

rapidoid-html/src/main/java/org/rapidoid/html/ElementGroup.java

@@ -0,0 +1,42 @@
+package org.rapidoid.html;
+
+/*
+ * #%L
+ * rapidoid-html
+ * %%
+ * Copyright (C) 2014 - 2015 Nikolche Mihajlovski and contributors
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * #L%
+ */
+
+import org.rapidoid.annotation.Authors;
+import org.rapidoid.annotation.Since;
+import org.rapidoid.html.impl.TagRenderer;
+
+@Authors("Nikolche Mihajlovski")
+@Since("4.1.0")
+public class ElementGroup {
+
+	private final Object[] elements;
+
+	public ElementGroup(Object[] elements) {
+		this.elements = elements;
+	}
+
+	@Override
+	public String toString() {
+		return TagRenderer.get().toHTML(elements, null);
+	}
+
+}

rapidoid-html/src/main/java/org/rapidoid/html/HTML.java

@@ -68,6 +68,10 @@ public static Tag hardcoded(String content) {
 		return new ConstantTag(content);
 	}
 
+	public static Object multi(Object... elements) {
+		return new ElementGroup(elements);
+	}
+
 	public static ATag a_void(Object... contents) {
 		return a(contents).href("javascript:void(0);");
 	}