various changes
Merge branch 'master' of https://github.com/antolikjan/mozaik
Merge branch 'master' of https://github.com/antolikjan/mozaik
minor change in visualization
Merge branch 'master' of https://github.com/antolikjan/mozaik
analysis and plotting additions and improvements
Merge branch 'master' of https://github.com/antolikjan/mozaik