Fix position of component within vertical/horizontal layout
Fix bug:
- add removeElement
- change 'this' into 'util'
Fix Task hierarchy
Fix position calculation and magnet
Make a more generic rule for navigation bar children
Make Model inherit from EventSource instead of Object
- code refactoring
- make Model more versatil (now it can trigger events)
Mkae the bin/unbind code more robuste
Add a basic application stop
Update libs
Update libs