tree 56c6ba775d3838d2a620561e08dd5ae81e83bb33
parent 50d08d61b9c78b5473b9326b61dc94d3e036c9eb
author Stephen Li <stephenli@google.com> 1493671545 -0700
committer Stephen Li <stephenli@google.com> 1493671778 -0700

Allow custom configuration of missing downstreams message.

If a change has downstream branches configured but they
have been abandoned or not uploaded for review, an error
message is displayed when a submit is attempted. This
change allows that error message to be configurable.

Change-Id: Ib91551078c3754fcc8d5c00eb6785189ba6756af