CORD-1512: last_login field doesn't show up in newly generated API

Change-Id: I020ae422d412dc8759f93289fc28c2f29be0b194
diff --git a/xos/core/models/core.xproto b/xos/core/models/core.xproto
index 25aa6a2..0f202fe 100644
--- a/xos/core/models/core.xproto
+++ b/xos/core/models/core.xproto
@@ -25,33 +25,34 @@
      required string email = 1 [db_index = True, max_length = 255, null = False, blank = False];
      required string username = 2 [default = "Something", max_length = 255, content_type = "stripped", blank = False, null = False, db_index = False];
      required string password = 3 [default = "Something", max_length = 255, blank = False, null = False, db_index = False];
-     required string firstname = 4 [max_length = 200, content_type = "stripped", blank = False, help_text = "person's given name", null = False, db_index = False];
-     required string lastname = 5 [max_length = 200, content_type = "stripped", blank = False, help_text = "person's surname", null = False, db_index = False];
-     optional string phone = 6 [max_length = 100, content_type = "stripped", blank = True, help_text = "phone number contact", null = True, db_index = False];
-     optional string user_url = 7 [db_index = False, max_length = 200, null = True, content_type = "url", blank = True];
-     required manytoone site->Site:users = 8 [help_text = "Site this user will be homed too", null = False, db_index = True, blank = False];
-     optional string public_key = 9 [help_text = "Public key string", max_length = 1024, null = True, db_index = False, blank = True, varchar = True];
-     required bool is_active = 10 [default = True, null = False, db_index = False, blank = True];
-     required bool is_admin = 11 [default = False, null = False, db_index = False, blank = True];
-     required bool is_staff = 12 [default = True, null = False, db_index = False, blank = True];
-     required bool is_readonly = 13 [default = False, null = False, db_index = False, blank = True];
-     required bool is_registering = 14 [default = False, null = False, db_index = False, blank = True];
-     required bool is_appuser = 15 [default = False, null = False, db_index = False, blank = True];
-     optional string login_page = 16 [max_length = 200, content_type = "stripped", blank = True, help_text = "send this user to a specific page on login", null = True, db_index = False];
-     required string created = 17 [db_index = False, null = False, content_type = "date", blank = True];
-     required string updated = 18 [db_index = False, null = False, content_type = "date", blank = True];
-     optional string enacted = 19 [db_index = False, null = True, content_type = "date", blank = False];
-     optional string policed = 20 [db_index = False, null = True, content_type = "date", blank = False];
-     required string backend_status = 21 [default = "Provisioning in progress", max_length = 1024, content_type = "stripped", blank = False, null = False, db_index = False];
-     required bool backend_need_delete = 22 [default = False, null = False, db_index = False, blank = True];
-     required bool backend_need_reap = 23 [default = False, null = False, db_index = False, blank = True];
-     required bool deleted = 24 [default = False, null = False, db_index = False, blank = True];
-     required bool write_protect = 25 [default = False, null = False, db_index = False, blank = True];
-     required bool lazy_blocked = 26 [default = False, null = False, db_index = False, blank = True];
-     required bool no_sync = 27 [default = False, null = False, db_index = False, blank = True];
-     required bool no_policy = 28 [default = False, null = False, db_index = False, blank = True];
-     required string timezone = 29 [default = "America/New_York", max_length = 100, blank = False, null = False, db_index = False];
-     required manytomany dashboards->DashboardView/UserDashboardView:user = 30 [db_index = False, null = False, blank = True];
+     optional string last_login = 4 [db_index = False, null = True, content_type = "date", blank = True];
+     required string firstname = 5 [max_length = 200, content_type = "stripped", blank = False, help_text = "person's given name", null = False, db_index = False];
+     required string lastname = 6 [max_length = 200, content_type = "stripped", blank = False, help_text = "person's surname", null = False, db_index = False];
+     optional string phone = 7 [max_length = 100, content_type = "stripped", blank = True, help_text = "phone number contact", null = True, db_index = False];
+     optional string user_url = 8 [db_index = False, max_length = 200, null = True, content_type = "url", blank = True];
+     required manytoone site->Site:users = 9 [help_text = "Site this user will be homed too", null = False, db_index = True, blank = False];
+     optional string public_key = 10 [help_text = "Public key string", max_length = 1024, null = True, db_index = False, blank = True, varchar = True];
+     required bool is_active = 11 [default = True, null = False, db_index = False, blank = True];
+     required bool is_admin = 12 [default = False, null = False, db_index = False, blank = True];
+     required bool is_staff = 13 [default = True, null = False, db_index = False, blank = True];
+     required bool is_readonly = 14 [default = False, null = False, db_index = False, blank = True];
+     required bool is_registering = 15 [default = False, null = False, db_index = False, blank = True];
+     required bool is_appuser = 16 [default = False, null = False, db_index = False, blank = True];
+     optional string login_page = 17 [max_length = 200, content_type = "stripped", blank = True, help_text = "send this user to a specific page on login", null = True, db_index = False];
+     required string created = 18 [db_index = False, null = False, content_type = "date", blank = True];
+     required string updated = 19 [db_index = False, null = False, content_type = "date", blank = True];
+     optional string enacted = 20 [db_index = False, null = True, content_type = "date", blank = False];
+     optional string policed = 21 [db_index = False, null = True, content_type = "date", blank = False];
+     required string backend_status = 22 [default = "Provisioning in progress", max_length = 1024, content_type = "stripped", blank = False, null = False, db_index = False];
+     required bool backend_need_delete = 23 [default = False, null = False, db_index = False, blank = True];
+     required bool backend_need_reap = 24 [default = False, null = False, db_index = False, blank = True];
+     required bool deleted = 25 [default = False, null = False, db_index = False, blank = True];
+     required bool write_protect = 26 [default = False, null = False, db_index = False, blank = True];
+     required bool lazy_blocked = 27 [default = False, null = False, db_index = False, blank = True];
+     required bool no_sync = 28 [default = False, null = False, db_index = False, blank = True];
+     required bool no_policy = 29 [default = False, null = False, db_index = False, blank = True];
+     required string timezone = 30 [default = "America/New_York", max_length = 100, blank = False, null = False, db_index = False];
+     required manytomany dashboards->DashboardView/UserDashboardView:user = 31 [db_index = False, null = False, blank = True];
 } 
 
 message AddressPool (XOSBase) {