- added license information

LICENSE

@@ -0,0 +1,33 @@
+The software uses some pieces from libtiff, therefore the whole project is licensed under same conditions, too. (c) 2015/16 Andreas Romeyke
+
+Copyright (C) 1988-1997 Sam Leffler
+Copyright (C) 1991-1997 Silicon Graphics, Inc.
+Portions Copyright (C) 1985-1987, 1990 Regents of the University of California
+Portions Copyright (C) 1990, 1991 Digital Equipment Corporation
+Portions Copyright (C) 1990 Sun Microsystems, Inc.
+Portions Copyright (C) 1990, 1995 Frank D. Cringle
+Portions Copyright (C) 1996 BancTec AB
+Portions Copyright (C) 1996 Mike Johnson
+Portions Copyright (C) 1996 Pixar
+Portions Copyright (C) 1997 Greg Ward Larson
+Portions Copyright (C) 2000 Frank Warmerdam
+
+Permission to use, copy, modify, distribute, and sell this software and 
+its documentation for any purpose is hereby granted without fee, provided
+that (i) the above copyright notices and this permission notice appear in
+all copies of the software and related documentation, and (ii) the names of
+Sam Leffler and Silicon Graphics may not be used in any advertising or
+publicity relating to the software without the specific, prior written
+permission of Sam Leffler and Silicon Graphics.
+
+THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
+EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
+WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+
+IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
+LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
+OF THIS SOFTWARE.
+