Adding GPLv3 Licensing.

scripts/RAPL_PKG_Throttle.py

@@ -1,4 +1,22 @@
 #!/usr/bin/python3
+# Copyright (C) 2018 spdf
+# 
+# This file is part of Elektron.
+# 
+# Elektron 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.
+# 
+# Elektron 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 Elektron.  If not, see <http://www.gnu.org/licenses/>.
+# 
+
 import sys
 import os
 import math