Excluding the tests folder from the installation

Signed-off-by: Marco Genasci <fedeliallalinea@gmail.com>

setup.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 """Setup file for bumbleestatus bar to allow pip install of full package"""
 # -*- coding: utf8 - *-
-from setuptools import setup
+from setuptools import setup, find_packages
 import versioneer
 
 with open("requirements/base.txt") as f:
@@ -57,4 +57,5 @@ setup(
         ("share/bumblebee-status/themes/icons", glob.glob("themes/icons/*.json")),
         ("share/bumblebee-status/utility", glob.glob("bin/*")),
     ],
+    packages=find_packages(exclude=["tests", "tests.*"])
 )