tree e83b0ddd4c05e691da9f2ce563baada6420d8d29
parent 1f4f8e136ec33b8babf58c0f43a83860fa329e52
author Jan Kundrát <jkt@kde.org> 1414105502 +0200
committer Jan Kundrát <jkt@kde.org> 1415270022 +0100

Validate top level of the layout configuration, too

I got an exception that a list object has no method "get" when I
accidentally put the contents of my pipelines as the top level object in
the layout YAML file.

Change-Id: Ia88f2a849bbc1dca5ec44afc969ddfa9c3598f1e