Fix employee loading and schedule stuff for supplier

app/assets/javascripts/supplier/app/models/employee-shift.js.coffee

@@ -5,13 +5,12 @@ App.EmployeeShift = DS.Model.extend
   description: attr('string')
   employee: DS.belongsTo 'employee', async: false
   supplier: DS.belongsTo 'supplier', async: false
-  calendar_event: (->
+  calendar_event: Ember.computed 'start_from', 'end_on', 'title', 'employee.color', ->
     id: @id
     title: @get('title')
     start: @get('start_from')
     end: @get('end_on')
     color: @get('employee.color')
-  ).property('start_from', 'end_on', 'title')
 
   title: Ember.computed 'employee.name', 'description', ->
     if @get('description')

app/assets/javascripts/supplier/app/routes/employees.js.coffee

@@ -1,2 +1,2 @@
 App.EmployeesRoute = Ember.Route.extend App.EmployeeActionsMixin,
-  model: ->  @store.findAll 'employee'
+  model: ->  @store.findAll 'employee', reload: false

app/assets/javascripts/supplier/app/routes/schedule.js.coffee

@@ -1,2 +1,4 @@
 App.ScheduleRoute = Ember.Route.extend
+  beforeModel: ->
+    @store.findAll 'employee', reload: false
   model: -> @store.findAll 'employee-shift'