add proper licensing information

- fixes #1

COPYRIGHT

-TODO: fill this in
+Copyright (c) 2016, UChicago Argonne, LLC
+All Rights Reserved
+SDS TOOLS (ANL-SF-16-009)
+
+OPEN SOURCE LICENSE
+
+Under the terms of Contract No. DE-AC02-06CH11357 with UChicago Argonne,
+LLC, the U.S. Government retains certain rights in this software.
+
+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 names of UChicago Argonne, LLC or the Department of
+Energy nor the names of its contributors may be used to endorse or
+promote products derived from this software without specific prior
+written permission.
+
+******************************************************************************
+DISCLAIMER
+
+THE SOFTWARE IS SUPPLIED "AS IS" WITHOUT WARRANTY OF ANY KIND.
+
+NEITHER THE UNTED STATES GOVERNMENT, NOR THE UNITED STATES DEPARTMENT
+OF ENERGY, NOR UCHICAGO ARGONNE, LLC, NOR ANY OF THEIR EMPLOYEES,
+MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR ASSUMES ANY LEGAL LIABILITY
+OR RESPONSIBILITY FOR THE ACCURACY, COMPLETENESS, OR USEFULNESS OF ANY
+INFORMATION, DATA, APPARATUS, PRODUCT, OR PROCESS DISCLOSED, OR REPRESENTS
+THAT ITS USE WOULD NOT INFRINGE PRIVATELY OWNED RIGHTS.
+
+******************************************************************************