cylc/cylc — pull request #799 by hjoliver (2013-11-29 22:26:45+00:00)
Title: Print blanks instead of 'None' in get-[global-]config output

If a config item is unset, the ```get-config``` commands currently print
```item = None```
but they should print
```item = ```
(for fairly obvious reasons)

Test battery passes.

@matthewrmshin - please review.