use reference in booking.resource model + add custom widget to edit booking resource according to booking.chart
full refactoring, using latest unleashed version and marionette for all views
full refactoring, missing files
add specific widget for target/origin in booking.resource edit form
add mixin model, useful to bind any model with booking.resource
update booking.resource fields, use a fields.selection for css_class
fix bug in graph display + some css
update the readme with explaination about resource mixins
add demo_task module
add a function to auto generate booking.resource from existing task at module install/update
add access rules + update doc