Add license information and modify the legalese

Former-commit-id: 4586da1e5e89cc90cdd67f7a06ee3d7fe2e5871f

dependency-check-gradle/settings.gradle

@@ -1 +1,19 @@
+/*
+ * This file is part of dependency-check-gradle.
+ *
+ * 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.
+ *
+ * Copyright (c) 2015 Wei Ma. All Rights Reserved.
+ */
+
 rootProject.name = 'dependency-check'