Relicensing to LGPL, fixes and evolutions

ontime_clocks/nodes.lua

@@ -1,3 +1,23 @@
+--[[
+    ontime_clocks mod for Minetest - Clock nodes displaying ingame time 
+    (c) Pierre-Yves Rollo
+
+    This file is part of ontime_clocks.
+
+    ontime_clocks 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.
+
+    ontime_clocks 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 ontime_clocks.  If not, see <http://www.gnu.org/licenses/>.
+--]]
+
 -- Green digital clock
 minetest.register_node("ontime_clocks:green_digital", {
 	description = "Green digital clock",