[java8] Support in delombok for method references.

test/pretty/resource/before/MethodReference.java

@@ -0,0 +1,48 @@
+// version 8:
+class MethodReference {
+	public MethodReference() {
+	}
+	
+	public <T> MethodReference(T in) {
+	}
+	
+	public void simpleInstanceReference() {
+		Runnable r = this::foo;
+	}
+	
+	public void simpleConstructorReference() {
+		Runnable r = MethodReference::new;
+	}
+	
+	public void simpleStaticReference() {
+		Runnable r = MethodReference::staticFoo;
+	}
+	
+	public void generifiedStaticReference() {
+		StringConverter sc = MethodReference::<String>generifiedStaticFoo;
+	}
+	
+	public void generifiedConstructorReference() {
+		FooConverter<MethodReference> fc = MethodReference::<String>new;
+	}
+	
+	public void foo() {
+	}
+	
+	private static void staticFoo() {
+	}
+	
+	public static <T> T generifiedStaticFoo(T foo) {
+		return foo;
+	}
+	
+	@FunctionalInterface
+	public interface StringConverter {
+		public String hello(String x);
+	}
+	
+	@FunctionalInterface
+	public interface FooConverter<K> {
+		public K hello(String x);
+	}
+}