Add EventManager spec
Remove console.log from spec
Added DISPLAY env for selenium on CI
Refactor Module Model

Promise everything and use the mixins
Promise save and load callbacks
Fix undoable dynamic properties
Fix undoable dynamic properties
Merge branch 'feature/sig/refactor' into develop
Temporarely remove test

This test is not thought through.
Combine enviroments data in travis
Remove comma for enviroments data

A space seperates exports
Add module properties view to display a module's properties.
Add properties to PropertyView
Add save functionality to PropertyView
Keep track of which properties have actually changed
Keep track of which properties have actually changed
Add splines to show metabolic pathways
Add metadata to cell growth
Add metadata for DNA
Make moduleView drawSpline method more generic