Remove duplicate functionality

- remove customer hosting package list
- replace useless dashboard with redirect
- move all hosting package list for superuser to top level menu item
- replace btn-default with btn-secondary
- improve email address management page

gnuviechadmin/dashboard/views.py

@@ -4,6 +4,7 @@ This module defines the views for the gnuviechadmin customer dashboard.
 """
 from django.contrib.auth import get_user_model
 from django.contrib.auth.mixins import LoginRequiredMixin
+from django.shortcuts import redirect
 from django.views.generic import DetailView, TemplateView
 from gvacommon.viewmixins import StaffOrSelfLoginRequiredMixin
 
@@ -18,6 +19,11 @@ class IndexView(LoginRequiredMixin, TemplateView):
 
     template_name = "dashboard/index.html"
 
+    def dispatch(self, request, *args, **kwargs):
+        if not request.user.is_anonymous:
+            return redirect("customer_dashboard", slug=request.user.username)
+        return super().dispatch(request, *args, **kwargs)
+
 
 class UserDashboardView(StaffOrSelfLoginRequiredMixin, DetailView):
     """