Add missing license headers

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@561984 13f79535-47bb-0310-9956-ffa450edef68

src/mantissa/src/org/spaceroots/mantissa/algebra/CoefficientsGenerator.java

@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 org.spaceroots.mantissa.algebra;
 
 import java.util.ArrayList;