Bug 1585146 - [mach] Bump to 1.0.0 and add Python classifiers, r=firefox-build-system-reviewers,mshal

Depends on D47668

Differential Revision: https://phabricator.services.mozilla.com/D47669

python/mach/setup.cfg

@@ -0,0 +1,2 @@
+[bdist_wheel]
+universal=1

python/mach/setup.py

@@ -9,7 +9,7 @@ except ImportError:
     from distutils.core import setup
 
 
-VERSION = '0.6'
+VERSION = '1.0.0'
 
 README = open('README.rst').read()
 
@@ -25,9 +25,11 @@ setup(
     version=VERSION,
     classifiers=[
         'Environment :: Console',
-        'Development Status :: 3 - Alpha',
+        'Development Status :: 5 - Production/Stable',
         'License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)',
         'Natural Language :: English',
+        'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3.5',
     ],
     install_requires=[
         'blessings',