Refactoring to enable package building and succesfull installation of the Patroni package.

Build the first packages of patroni and added them to pypi.python.org
Update Dockerfile to use pip to install patroni.

setup.py

@@ -18,6 +18,7 @@ if sys.version_info < (2, 7, 0):
 
 __location__ = os.path.join(os.getcwd(), os.path.dirname(inspect.getfile(inspect.currentframe())))
 
+
 def read_version(package):
     data = {}
     with open(os.path.join(package, '__init__.py'), 'r') as fd:
@@ -56,6 +57,8 @@ CLASSIFIERS = [
     'Programming Language :: Python :: Implementation :: CPython',
 ]
 
+CONSOLE_SCRIPTS = ['patroni = patroni.patroni:main']
+
 
 class PyTest(TestCommand):
 
@@ -91,7 +94,6 @@ class PyTest(TestCommand):
             params['plugins'] = ['cov']
         if self.junitxml:
             params['args'] += self.junitxml
-        #params['args'] += ['--doctest-modules', MAIN_PACKAGE, '--doctest-modules', HELPERS, '--doctest-modules', SCRIPTS, '-s']
         params['args'] += ['--doctest-modules', MAIN_PACKAGE, '-s', '-vv']
         errno = pytest.main(**params)
         sys.exit(errno)
@@ -144,6 +146,7 @@ def setup_package():
         cmdclass=cmdclass,
         tests_require=['pytest-cov', 'pytest'],
         command_options=command_options,
+        entry_points={'console_scripts': CONSOLE_SCRIPTS},
     )