Add greeter-show-remote-login hint

diff --cc NEWS
index bb77129eceb153ada723f541a56620bc9e4707cf,1ad1f9a7867882f1d74d3b2e28d44a74361d0fca..2a2e81811ba851e7190f5eb4d1c532b0f20787d2
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -1,6 -1,5 +1,7 @@@
 -Overview of changes in lightdm 1.3.4
 +Overview of changes in lightdm 1.4.0
  
 +    * Correctly implement and test autologin timeouts
++    * Add greeter-show-remote-login hint
      * Correctly annotate enums in vapi file
  
  Overview of changes in lightdm 1.3.3

diff --cc liblightdm-gobject/greeter.c
Simple merge

diff --cc liblightdm-gobject/liblightdm-gobject-1.vapi
Simple merge

diff --cc liblightdm-gobject/lightdm/greeter.h
Simple merge

diff --cc liblightdm-qt/QLightDM/greeter.h
Simple merge

diff --cc liblightdm-qt/greeter.cpp
Simple merge

diff --cc src/display.c
Simple merge

diff --cc src/seat.c
Simple merge