Add license

LICENSE.txt

@@ -0,0 +1,26 @@
+Copyright (c) 2012, Francesco Ceccon
+All rights reserved.
+
+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.
+
+
+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.