Added license file.

Author: tonybaltovski

LICENSE

@@ -0,0 +1,20 @@
+Software License Agreement (BSD)
+Copyright (c) 2020, Clearpath Robotics, 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:
+* Redistributions of source code must retain the above copyright notice, this list of conditions and the
+  following disclaimer.
+* 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.
+* Neither the name of Clearpath Robotics nor the names of its contributors may be used to endorse or
+   romote products derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT HOLDER OR 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.