TST: Change from pandas version 0.17.0rc2 to 0.17

Author: David Stephens

.travis.yml

@@ -7,8 +7,8 @@ env:
   - PYTHON=2.7 PANDAS=0.15.1
   - PYTHON=3.3 PANDAS=0.14.1
   - PYTHON=3.4 PANDAS=0.16.2
-  - PYTHON=3.4 PANDAS=v0.17.0rc2
-  - PYTHON=3.5 PANDAS=v0.17.0rc2
+  - PYTHON=3.4 PANDAS=0.17.0
+  - PYTHON=3.5 PANDAS=0.17.0
   - PYTHON=2.7 PANDAS=0.12.0
   - PYTHON=2.7 PANDAS=0.11.0
   - PYTHON=2.7 PANDAS=0.10.1