Add IdeaMap\Idea
Implement Idea::addChild
Implement Idea::updateTitle
Create Idea CommandAdapter and implement addSubIdea
Update the addSubIdea adapter to append to subideas
Implement adapter for SetIdeaTitle command
Add IdeaMapApp/CommandProcessor
Publish a single event
Merge branch 'master' of github.com:dfy/mapjs-server-silex