Version update for release.

cassandra/__init__.py

diff --git a/cassandra/__init__.py b/cassandra/__init__.py
index 93c53dc..f68323e 100644
--- a/cassandra/__init__.py
+++ b/cassandra/__init__.py
@@ -23,7 +23,7 @@
 logging.getLogger('cassandra').addHandler(NullHandler())
 
 
-__version_info__ = (2, 1, 3, 'post')
+__version_info__ = (2, 1, 4)
 __version__ = '.'.join(map(str, __version_info__))