Make r.ext the default relay for --config=google

Change-Id: I0505628cc962d23eae5ed578260852d5430cce41
Reviewed-on: https://chromium-review.googlesource.com/217935
Reviewed-by: Robert Ginda <rginda@chromium.org>
Tested-by: Robert Ginda <rginda@chromium.org>
nassh 0.8.29.1: Reorder background scripts.

* Reorder the background scripts in the manifest file to account for a race
  condition.  Before this change, the callback in nassh_background.js would
  sometimes execute before the rest of the background scripts had loaded.
* Change the proxy host used in --config=google.

Change-Id: I94cfaeebab5ff8835f4dc34d4e6d469ee217eaf4
Reviewed-on: https://chromium-review.googlesource.com/219564
Reviewed-by: Robert Ginda <rginda@chromium.org>
Tested-by: Robert Ginda <rginda@chromium.org>
hterm 1.49: Fix HOME/END under application cursor mode.

* Send OSC H/OSC F for HOME/END when in application cursor mode, rather than
  application keypad mode.

Change-Id: Ibb00f4e2164df166ca6caf90178804b7b700ba96
Reviewed-on: https://chromium-review.googlesource.com/221673
Reviewed-by: Robert Ginda <rginda@chromium.org>
Tested-by: Robert Ginda <rginda@chromium.org>