Merge pull request #69 from cylc/prepare-1.4.0

Prepare release: 1.4.0

Author: MetRonnie

cylc/sphinx_ext/__init__.py

@@ -23,7 +23,7 @@
 from shutil import copyfile
 
 
-__version__ = '1.3.4'
+__version__ = '1.4.0'
 
 
 # map sub directory name to the name of the sphinx registration function