fix some recipe errors

Author: kalefranz

MANIFEST.in

@@ -5,4 +5,3 @@ include README.rst
 include setup.cfg
 include setup.py
 include shell/*
-recursive-include conda *.py

conda.recipe/meta.yaml

@@ -25,6 +25,7 @@ build:
 requirements:
   build:
     - python
+    - setuptools
     - pycosat >=0.6.1
   run:
     - python

setup.py

@@ -10,6 +10,8 @@
 else:
     from distutils.core import setup
 
+from setuptools import find_packages
+
 if not (sys.version_info[:2] == (2, 7) or sys.version_info[:2] >= (3, 3)):
     sys.exit("conda is only meant for Python 2.7 or 3.3 and up.  "
              "current version: %d.%d" % sys.version_info[:2])
@@ -60,9 +62,7 @@
         "Programming Language :: Python :: 3.4",
         "Programming Language :: Python :: 3.5",
     ],
-    packages=[
-        'conda',
-    ],
+    packages=find_packages(exclude=("tests", "conda-env", "build", "utils", ".tox")),
     cmdclass={
         'build_py': conda._vendor.auxlib.BuildPyCommand,
         'sdist': conda._vendor.auxlib.SDistCommand,