adding required files

CONTRIBUTING.md

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+## Contributing
+
+Before you can contribute, EA must have a Contributor License Agreement (CLA) on file that has been signed by each contributor.
+You can sign here: [Go to CLA](https://electronicarts.na1.echosign.com/public/esignWidget?wid=CBFCIBAA3AAABLblqZhByHRvZqmltGtliuExmuV-WNzlaJGPhbSRg2ufuPsM3P0QmILZjLpkGslg24-UJtek*)
+
+### Pull Request Policy
+
+All code contributions to EASTL are submitted as [Github pull requests](https://help.github.com/articles/using-pull-requests/).  All pull requests will be reviewed by an EASTL maintainer according to the guidelines found in the next section.
+
+Your pull request should:
+
+* merge cleanly
+* come with tests
+	* tests should be minimal and stable
+	* fail before your fix is applied
+* pass the test suite
+* code formatting is encoded in clang format
+	* limit using clang format on new code
+	* do not deviate from style already established in the files
+

LICENSE

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+/*
+Copyright (C) 2017 Electronic Arts Inc.  All rights reserved.
+  
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+  
+1.  Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+2.  Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+3.  Neither the name of Electronic Arts, Inc. ("EA") nor the names of
+    its contributors may be used to endorse or promote products derived
+    from this software without specific prior written permission.
+  
+THIS SOFTWARE IS PROVIDED BY ELECTRONIC ARTS AND ITS CONTRIBUTORS "AS IS" AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL ELECTRONIC ARTS OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/