Change "Modify Users" to "Manage Members"

Change "Modify Users" to "Manage Members" in the Project, Group and
Domain Panels in-row Actions. This allows us to be consistent with the
tab headings in both panels.

Change-Id: I7f99624efe623d3cb7fe5861c9cd8ceab8ca3661
Closes-bug: #1398224

openstack_dashboard/dashboards/identity/domains/tables.py

@@ -35,7 +35,7 @@ LOG = logging.getLogger(__name__)
 
 class UpdateUsersLink(tables.LinkAction):
     name = "users"
-    verbose_name = _("Modify Users")
+    verbose_name = _("Manage Members")
     url = "horizon:identity:domains:update"
     classes = ("ajax-modal",)
     policy_rules = (("identity", "identity:list_users"),

openstack_dashboard/dashboards/identity/groups/tables.py

@@ -88,7 +88,7 @@ class DeleteGroupsAction(tables.DeleteAction):
 
 class ManageUsersLink(tables.LinkAction):
     name = "users"
-    verbose_name = _("Modify Users")
+    verbose_name = _("Manage Members")
     url = constants.GROUPS_MANAGE_URL
     icon = "pencil"
     policy_rules = (("identity", "identity:get_group"),

openstack_dashboard/dashboards/identity/projects/tables.py

@@ -48,7 +48,7 @@ class RescopeTokenToProject(tables.LinkAction):
 
 class UpdateMembersLink(tables.LinkAction):
     name = "users"
-    verbose_name = _("Modify Users")
+    verbose_name = _("Manage Members")
     url = "horizon:identity:projects:update"
     classes = ("ajax-modal",)
     icon = "pencil"