Allow @EnableGlobalMethodSecurity in a non webapp

Fixes gh-202

spring-boot-samples/spring-boot-sample-secure/src/main/java/sample/secure/SampleService.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2012-2013 the original author or authors.
+ *
+ * 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.
+ */
+
+package sample.secure;
+
+import org.springframework.security.access.annotation.Secured;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.stereotype.Service;
+
+/**
+ * @author Dave Syer
+ *
+ */
+@Service
+public class SampleService {
+	
+	@Secured("ROLE_USER")
+	public String secure() {
+		return "Hello Security";
+	}
+
+	@PreAuthorize("true")
+	public String authorized() {
+		return "Hello World";
+	}
+
+	@PreAuthorize("false")
+	public String denied() {
+		return "Goodbye World";
+	}
+
+}