added license information

Author: huy

LICENSE

@@ -0,0 +1,22 @@
+# Copyright (c) 2010, Huy Nguyen, http://www.huyng.com
+# All rights reserved.
+# 
+# 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.
+#     * Neither the name of Huy Nguyen nor the names of contributors
+#       may be used to endorse or promote products derived from this software without 
+#       specific prior written permission.
+#       
+# 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.