syncing version to release number

Author: ageller

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="firefly",
-    version="3.2.4",
+    version="3.3.1",
     author = 'Alex Gurvich, Aaron Geller',
     author_email = 'agurvich@u.northwestern.edu, a-geller@northwestern.edu',
     description="A browser-based particle visualization platform",