Prepare for 0.1.6 release (#267)

Author: liyanhui1228

opencensus/trace/exporters/stackdriver_exporter.py

@@ -23,7 +23,7 @@
 from opencensus.trace.exporters.transports import sync
 
 # OpenCensus Version
-VERSION = '0.1.5'
+VERSION = '0.1.6'
 
 # Agent
 AGENT = 'opencensus-python [{}]'.format(VERSION)

setup.py

@@ -27,7 +27,7 @@
 
 setup(
     name='opencensus',
-    version='0.1.5',
+    version='0.1.6',
     author='OpenCensus Authors',
     author_email='census-developers@googlegroups.com',
     classifiers=[