Merge version 1.169+rpi1 and 1.170 to produce 1.170+rpi1

diff --cc debian/changelog
index 7f3258123cb46dd059816f9faacb767ce1ab6a1f,45de05eea22103ae6c51ffc172e6f8e20ebd2f2b..f3a73d74a5905678d3fd5164d4ea3bff61bda826
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,9 -1,9 +1,16 @@@
- base-installer (1.169+rpi1) stretch-staging; urgency=medium
++base-installer (1.170+rpi1) buster-staging; urgency=medium
 +
 +  [changes brought forward from 1.148+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Wed, 30 Jul 2014 05:27:29 +0000]
 +  * Use raspbian-archive-keyring instead of debian-archive-keyring.
 +
-  -- Raspbian forward porter <root@raspbian.org>  Fri, 09 Jun 2017 07:45:54 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Wed, 28 Jun 2017 22:44:24 +0000
++
+ base-installer (1.170) unstable; urgency=medium
+ 
+   [ Updated translations ]
+   * Simplified Chinese (zh_CN.po) by Yangfl
+ 
+  -- Christian Perrier <bubulle@debian.org>  Tue, 20 Jun 2017 08:26:26 +0200
  
  base-installer (1.169) unstable; urgency=medium