License texts LD-MRS

In the product LD-MRS, SICK uses unmodified open source software and, as far as 
required and permitted in accordance with the relevant license conditions, modified 
open source software. 

---lwIP---
lwIP is licenced under the BSD licence:

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.
-   The name of the author may not be used to endorse or promote products derived 
    from this software without specific prior written permission.

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 AUTHOR 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.