debian: install favicon
debian: install favicon

Install gordon to $GOROOT where godoc expects to find him.

Signed-off-by: Jonathan Nieder <b57189c5f2fd5b3daf3350a77fde90def1080fa5@gmail.com>

nightlyone/golang,nightlyone/golang,tianon/debian-golang,tianon/debian-golang,tianon/debian-golang,bdwalton/debian-golang,tianon/debian-golang,nightlyone/golang,bdwalton/debian-golang,tianon/debian-golang,bdwalton/debian-golang,nightlyone/golang,nightlyone/golang,tianon/debian-golang,nightlyone/golang,nightlyone/golang,bdwalton/debian-golang,bdwalton/debian-golang,tianon/debian-golang,tianon/debian-golang,bdwalton/debian-golang,bdwalton/debian-golang,bdwalton/debian-golang