Adjustments to admin.py for view, fix Role using charfield as primary key, adjusted openstack/managers.py to fill the charfield instead of the pk
diff --git a/planetstack/core/admin.py b/planetstack/core/admin.py
index 741271c..a429520 100644
--- a/planetstack/core/admin.py
+++ b/planetstack/core/admin.py
@@ -41,16 +41,13 @@
 
 class UserInline(admin.TabularInline):
     model = User
+    fields = ['email', 'firstname', 'lastname']
     extra = 0
 
 class SliceInline(admin.TabularInline):
     model = Slice
     extra = 0
 
-class UserInline(admin.TabularInline):
-    model = User
-    extra = 0
-
 class RoleInline(admin.TabularInline):
     model = Role
     extra = 0 
@@ -230,7 +227,7 @@
 class SliceAdmin(OSModelAdmin):
     fields = ['name', 'site', 'serviceClass', 'description', 'slice_url']
     list_display = ('name', 'site','serviceClass', 'slice_url')
-    inlines = [SliverInline]
+    inlines = [SliverInline, SliceMembershipInline]
 
     def queryset(self, request):
         # admins can see all keys. Users can only see slices they belong to.
diff --git a/planetstack/core/models/role.py b/planetstack/core/models/role.py
index e7d31b9..d3c577d 100644
--- a/planetstack/core/models/role.py
+++ b/planetstack/core/models/role.py
@@ -7,7 +7,7 @@
 class Role(PlCoreBase):
 
     #ROLE_CHOICES = (('admin', 'Admin'), ('pi', 'Principle Investigator'), ('user','User'))
-    role_id = models.CharField(max_length=256, unique=True)
+    role = models.CharField(null=True, blank=True,max_length=256, unique=True)
     role_type = models.CharField(max_length=80, unique=True)
 
     def __unicode__(self):  return u'%s' % (self.role_type)
diff --git a/planetstack/core/serializers.py b/planetstack/core/serializers.py
index 7c5dca9..bc4dd01 100644
--- a/planetstack/core/serializers.py
+++ b/planetstack/core/serializers.py
@@ -10,6 +10,7 @@
         model = Role
         fields = ('id', 
                   'role_id',
+                  'role',
                   'role_type')
 
 
diff --git a/planetstack/openstack/manager.py b/planetstack/openstack/manager.py
index 166ad19..788699b 100644
--- a/planetstack/openstack/manager.py
+++ b/planetstack/openstack/manager.py
@@ -61,14 +61,14 @@
 
     @require_enabled
     def save_role(self, role):
-        if not role.role_id:
+        if not role.role:
             keystone_role = self.driver.create_role(role.role_type)
-            role.role_id = keystone_role.id
+            role.role = keystone_role.id
 
     @require_enabled
     def delete_role(self, role):
-        if role.role_id:
-            self.driver.delete_role({'id': role.role_id})
+        if role.role:
+            self.driver.delete_role({'id': role.role})
 
     @require_enabled
     def save_key(self, key):