add license header

rdpy/display/rle.py

@@ -1,8 +1,31 @@
-'''
-@author: citronneur
-@file: implement run length encoding algorithm use in RDP protocol to compress bit
+#
+# Copyright (c) 2014 Sylvain Peyrefitte
+#
+# This file is part of rdpy.
+#
+# rdpy is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+"""
+Run length Encoding Algorithm implementation
+
+It's the microsoft view of RLE algorithm
+
+Most of bitmap in RDP protocol use this encoding
+
 @see: http://msdn.microsoft.com/en-us/library/dd240593.aspx
-'''
+"""
 from rdpy.network.type import UInt8
 
 def extractCodeId(data):