masataka

The GCC version should be updated in SConstruct

1

In ``docs/building.md`` , It require GCC version 5.4.0 or newer, but ``SConstruct`` require 5.3.0 or newer. Is it mistake?

[UI] Silence creator from HTTP header or Basic Auth

1

PR for following implementation [Silence creator from HTTP header or Basic Auth](https://github.com/prometheus/alertmanager/pull/2971)

Remove the layer's link by garbage-collect

23

Signed-off-by: Masataka Mizukoshi The gabage-collect command should removes layer's link files (``_layers///link``). These link files don't have blobs to link with.