Seperate signs API from signs definitions

Change modnames from *_lib to *_api

signs_api/init.lua

@@ -0,0 +1,33 @@
+--[[
+    signs mod for Minetest - Various signs with text displayed on
+    (c) Pierre-Yves Rollo
+
+    This file is part of signs.
+
+    signs 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.
+
+    signs 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 signs.  If not, see <http://www.gnu.org/licenses/>.
+--]]
+
+signs_api = {}
+signs_api.name = minetest.get_current_modname()
+signs_api.path = minetest.get_modpath(signs_api.name)
+
+-- Load support for intllib.
+local S, NS = dofile(signs_api.path.."/intllib.lua")
+signs_api.intllib = S
+
+dofile(signs_api.path.."/common.lua")
+
+
+
+