Update package metadata for PyPi (#491)

Author: WasabiFan

README.rst

@@ -250,7 +250,7 @@ but this library is compatible only with Python 3.
 .. _package repository: pypi_
 .. _pypi: https://pypi.python.org/pypi
 .. _latest version of this package: pypi-python-ev3dev_
-.. _pypi-python-ev3dev: https://pypi.python.org/pypi/python-ev3dev
+.. _pypi-python-ev3dev: https://pypi.python.org/pypi/python-ev3dev2
 .. _ev3dev Visual Studio Code extension: https://github.com/ev3dev/vscode-ev3dev-browser
 .. _Python + VSCode introduction tutorial: https://github.com/ev3dev/vscode-hello-python
 .. _nano: http://www.ev3dev.org/docs/tutorials/nano-cheat-sheet/

setup.cfg

@@ -1,2 +1,2 @@
 [sdist_dsc]
-package: python-ev3dev
+package: python-ev3dev2

setup.py

@@ -1,6 +1,10 @@
 from setuptools import setup
 from git_version import git_version
+from os import path
 
+this_directory = path.abspath(path.dirname(__file__))
+with open(path.join(this_directory, 'README.rst'), encoding='utf-8') as f:
+    long_description = f.read()
 
 setup(
     name='python-ev3dev2',
@@ -11,6 +15,8 @@
     license='MIT',
     url='https://github.com/ev3dev/ev3dev-lang-python',
     include_package_data=True,
+    long_description=long_description,
+    long_description_content_type='text/x-rst',
     packages=['ev3dev2',
               'ev3dev2.fonts',
               'ev3dev2.sensor',