plug users and hosting packages together

- document new feature in changelog
- add autogenerated documentation for osusers.urls and osusers.views
- add osuser URLs to gnuviechadmin.urls
- implement get_absolute_url in hostingpackages.models.CustomerHostingPackage
- use set_ldap_user_password instead of create_ldap_user for existing OS users
  in osusers.models.User.set_password
- add URL pattern set_osuser_password in osusers.urls
- implement osusers.views.SetOsUserPassword to set the password of an existing
  operating system user
- link to hosting package detail view on user dashboard
- add template hostingpackages/customerhostingpackage_detail.html
- add template osusers/user_setpassword.html

gnuviechadmin/osusers/views.py

@@ -0,0 +1,45 @@
+"""
+This module defines the views for gnuviechadmin operating system user handling.
+
+"""
+from __future__ import unicode_literals, absolute_import
+
+from django.shortcuts import redirect
+from django.views.generic import UpdateView
+from django.utils.translation import ugettext as _
+from django.contrib import messages
+
+from gvacommon.viewmixins import StaffOrSelfLoginRequiredMixin
+
+from .forms import ChangeOsUserPasswordForm
+from .models import User
+
+
+class SetOsUserPassword(StaffOrSelfLoginRequiredMixin, UpdateView):
+    """
+    This view is used for setting a new operating system user password.
+
+    """
+    model = User
+    slug_field = 'username'
+    template_name_suffix = '_setpassword'
+    context_object_name = 'osuser'
+    form_class = ChangeOsUserPasswordForm
+
+    def get_customer_object(self):
+        return self.get_object().customer
+
+    def get_context_data(self, *args, **kwargs):
+        context = super(SetOsUserPassword, self).get_context_data(
+            *args, **kwargs)
+        context['customer'] = self.get_customer_object()
+        return context
+
+    def form_valid(self, form):
+        osuser = form.save()
+        messages.success(
+            self.request,
+            _("New password for {username} has been set successfully.").format(
+                username=osuser.username
+            ))
+        return redirect(osuser.customerhostingpackage)