fix(docs): handle changes in Sphinx 1.3.0

Author: mboersma

dev_requirements.txt

@@ -8,9 +8,9 @@ termcolor==1.1.0
 git+https://github.com/pyinstaller/pyinstaller@7413317
 
 # Deis documentation requirements
-Sphinx>=1.2.3
-smartypants>=1.8.6
-sphinxcontrib-httpdomain>=1.3.0
+Sphinx==1.3.0
+smartypants==1.8.6
+sphinxcontrib-httpdomain==1.3.0
 
 # Run "make coverage" for the % of code exercised during tests
 coverage>=3.7.1