Reworked order of dashboard navigation

oscar/apps/dashboard/catalogue/app.py

 node = Node('Catalogue')
 node.add_child(Node('Products', 'dashboard:catalogue-product-list'))
 node.add_child(Node('Stock alerts', 'dashboard:stock-alert-list'))
-register(node, 1)
+register(node, 10)
 
 
 class CatalogueApplication(Application):

oscar/apps/dashboard/offers/app.py

 
 node = Node('Offers')
 node.add_child(Node('All offers', 'dashboard:offer-list'))
-register(node, 7)
+register(node, 50)
 
 
 class OffersDashboardApplication(Application):

oscar/apps/dashboard/orders/app.py

 node = Node('Orders')
 node.add_child(Node('Orders', 'dashboard:order-list'))
 node.add_child(Node('Statistics', 'dashboard:order-stats'))
-register(node)
+register(node, 60)
 
 
 class OrdersDashboardApplication(Application):

oscar/apps/dashboard/pages/app.py

 
 from oscar.core.application import Application
 from oscar.apps.dashboard.pages import views
-from oscar.apps.dashboard.nav import register, Node
-
-node = Node('Pages', 'dashboard:page-list')
-register(node, 4)
 
 
 class FlatPageManagementApplication(Application):

oscar/apps/dashboard/promotions/app.py

 from oscar.apps.promotions.conf import PROMOTION_CLASSES
 from oscar.apps.dashboard.nav import register, Node
 
-node = Node('Content blocks')
-node.add_child(Node('All blocks', 'dashboard:promotion-list'))
-node.add_child(Node('By page', 'dashboard:promotion-list-by-page'))
-register(node, 3)
+node = Node('Content')
+node.add_child(Node('Re-usable content blocks', 'dashboard:promotion-list'))
+node.add_child(Node('Pages', 'dashboard:page-list'))
+register(node, 20)
 
 
 class PromotionsDashboardApplication(Application):

oscar/apps/dashboard/reports/app.py

 from oscar.apps.dashboard.nav import register, Node
 
 node = Node('Reports', 'dashboard:reports-index')
-register(node, 6)
+register(node, 70)
 
 
 class ReportsApplication(Application):

oscar/apps/dashboard/users/app.py

 from oscar.apps.dashboard.users import views
 from oscar.apps.dashboard.nav import register, Node
 
-node = Node('Users', 'dashboard:users-index')
-register(node, 5)
+node = Node('Customers', 'dashboard:users-index')
+register(node, 30)
 
 
 class UserManagementApplication(Application):