 Redistribution and use of this software 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 