fix broken badges

README.md

@@ -5,6 +5,6 @@ Lightweight, asynchronous IMAP/POP3 serving in Python.
 
 [![Build Status](https://travis-ci.org/icgood/mygrate.svg?branch=master)](https://travis-ci.org/icgood/mygrate)
 [![Coverage Status](https://coveralls.io/repos/icgood/pymap/badge.svg)](https://coveralls.io/r/icgood/pymap)
-[![Latest Version](https://pypip.in/version/pymap/badge.svg)](https://pypi.python.org/pypi/pymap/)
-[![Supported Python versions](https://pypip.in/py_versions/pymap/badge.svg)](https://pypi.python.org/pypi/pymap/)
-[![License](https://pypip.in/license/pymap/badge.svg)](https://pypi.python.org/pypi/pymap/)
+[![PyPI version](https://badge.fury.io/py/pymap.svg)](https://pypi.python.org/pypi/pymap/)
+[![PyPI](https://img.shields.io/pypi/pyversions/pymap.svg)]()
+[![GitHub license](https://img.shields.io/github/license/icgood/pymap.svg)]()