Update README to include open source licenses for hardware and software.

Hardware: SolderPad Hardware License
Software GNU Lesser General Public License v2.1

README.markdown

@@ -26,6 +26,39 @@ Since 2012 it has been possible to check out a specific folder in a git reposito
 
 I would recommend just cloning the entire repository.
 
+# Licenses
+
+Hardware and software are released under the following licenses.
+
+## Hardware
+
+The SensorCape hardware is released under the open source ["SolderPad Hardware License"](http://solderpad.org/licenses/SHL-0.51/). The license disclaimer is below. This is an open source and fairly non-restrictive license.
+
+Copyright SensorCape, Michael Leonard, Copyright and related rights are licensed under the Solderpad Hardware License, Version 0.51 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://solderpad.org/licenses/SHL-0.51. Unless required by applicable law or agreed to in writing, software, hardware and materials distributed under this 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.
+
+## Software
+
+The software library for the SensorCape (if it is ever finished) is released under the open source ["GNU Lesser General Public License v2.1"](http://www.gnu.org/licenses/lgpl-2.1.html). The license disclaimer is below. This is an open source and fairly non-restrictive license.
+
+SensorCape for BeagleBone Black hardware interface library.
+Copyright (C) 2014  Michael Leonard
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+You can contact me on GitHub as user [LeonardMH](http://github.com/LeonardMH).
+
 # Contributors
 
 Michael Leonard - [My Website](http://michaelhleonard.com/)