Change docs conf logic closer to how readthedocs will run it

Author: jinnatar

docs/conf.py

@@ -17,9 +17,9 @@
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #
-# import os
-# import sys
-# sys.path.insert(0, os.path.abspath('.'))
+import os
+import sys
+sys.path.insert(0, os.path.abspath('..'))
 
 from recommonmark.parser import CommonMarkParser