Replace the Makefile with setuptools

Author: Simon Gomizelj

ESL.i

@@ -1,3 +1,4 @@
+%module ESL
 %{
 #include "esl.h"
 #include "esl_oop.h"

Makefile

@@ -0,0 +1,11 @@
+# python-ESL
+
+This is FreeSWITCH's ESL library and SWIG, pulled directly out of
+tree. Nothing more, nothing less, no modifications.
+
+All we've done is replaced the Makefile with setuptools to make it pip
+installable.
+
+    pip install git+https://github.com/sangoma/python-ESL
+
+Should work for both python2 and python3.