add top-level license and copyright info

COPYRIGHT.md

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+Copyright (c) 2015 by the contributing authors of the Fast-trips project development team. See the COPYRIGHT file at the top-level directory of this distribution for detailed contributor information.
+
+See LICENSE file for licensing information for Fast-trips.
+
+---
+The primary source code repository provides the best record of the work contributed to this project by individuals. The list below is incomplete. Contributors to this code include the following individuals:
+
+Alireza Khani
+Elizabeth Sall
+Lisa Zorn
+Mark Hallenbeck

LICENSE.md

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+Copyright 2015 by the contributing authors of the Fast-trips project development team. See the COPYRIGHT file at the top-level directory of this distribution for detailed contributor information.
+
+----
+
+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.