Removed the error when a combobox has no model
UnitLabel no longer mandatory
When deleting a task, we no longer have any error messages
There is no longer any exception message when deleting a condition
Added new font and svg icons
Fixed some display elements to make it look more like Emile's PR
Fixed USwitch
Fixed another bug related to models
Merge pull request #113 from uCtrl/displayFix

Display fix