use setuptools to install http_parser.

this patch add support for setuptools in http_parser instead of pure
distutils. soe part of the setup is based on the gevent one.

Author: benoitc

.gitignore

@@ -10,6 +10,7 @@ setuptools-*
 .svn/*
 .DS_Store
 *.so
+http_parser/parser.so
 http_parser.egg-info
 nohup.out
 .coverage

MANIFEST.in

@@ -3,5 +3,6 @@ include LICENSE
 include NOTICE
 include README.rst
 include THANKS
+include Makefile.ext
 recursive-include http_parser *
 recursive-include examples *

Makefile

@@ -0,0 +1,15 @@
+# This file is renamed to "Makefile.ext" in release tarballs so that
+# setup.py won't try to run it.  If you want setup.py to run "make"
+# automatically, rename it back to "Makefile".
+
+all: http_parser/parser.c
+
+http_parser/parser.c: http_parser/parser.pyx
+	cython -o http_parser.parser.c http_parser/parser.pyx
+	mv http_parser.parser.c http_parser/parser.c
+
+clean:
+	rm -f http_parser/parser.c
+
+
+.PHONY: clean all