update package description

Author: gregolsky

setup.py

@@ -5,7 +5,7 @@
     packages=find_packages(),
     version='5.0.0.2',
     long_description=open("README.rst").read(),
-    description='This is the official python client for RavenDB v5.0 document database',
+    description='Official python client for RavenDB NoSQL Document Database',
     author='RavenDB',
     author_email='[email protected]',
     url='https://github.com/ravendb/RavenDB-Python-Client',