improved visibility option for layers and added close window function
improved globel window bottom/top padding for sub layers
added functionality to displayWindowLayer action
added collaborator
extended window logic for sub layers to show
improved layer show / hide function
Extended Json Loading

Added loading of Json data for scenario files and sanbox event list.
avoid overwritten interactions on layer switch
Merge remote-tracking branch 'origin/master'
added exception handler for scenario file
added interaction status values with chain support
Updated

I really have no idea, but it says I have to commit this.