Bump version

Author: Peter Amstutz

setup.py

@@ -44,7 +44,7 @@
 extras_require = {}               # TODO: to be removed when the above is added
 
 setup(name='schema-salad',
-      version='1.15',
+      version='1.16',
       description='Schema Annotations for Linked Avro Data (SALAD)',
       long_description=open(README).read(),
       author='Common workflow language working group',