bump sphinx version to 1.4.8 and add sphinxcontrib-napoleon to setup.py:docs_require

docs/root/requirements.txt

@@ -1,4 +1,4 @@
-Sphinx>=1.3.5
+Sphinx>=1.4.8
 recommonmark>=0.4.0
 sphinx-rtd-theme>=0.1.9
 sphinxcontrib-napoleon>=0.4.4

docs/server/requirements.txt

@@ -1,4 +1,4 @@
-Sphinx>=1.3.5
+Sphinx>=1.4.8
 recommonmark>=0.4.0
 sphinx-rtd-theme>=0.1.9
 sphinxcontrib-napoleon>=0.4.4

setup.py

@@ -45,10 +45,11 @@ dev_require = [
 ]
 
 docs_require = [
-    'Sphinx>=1.3.5',
+    'Sphinx>=1.4.8',
     'recommonmark>=0.4.0',
     'sphinx-rtd-theme>=0.1.9',
     'sphinxcontrib-httpdomain>=1.5.0',
+    'sphinxcontrib-napoleon>=0.4.4',
 ]
 
 benchmarks_require = [