luci-go: Improving setup instructions in README.md

README.md

Index: README.md
diff --git a/README.md b/README.md
index 74c5cc945b47c5b9540f4ba6a02148ed0c10df31..0099a89e457e3947f4a8231a1cba0e87e9f33796 100644
--- a/README.md
+++ b/README.md
@@ -8,9 +8,18 @@ luci-go: LUCI services and tools in Go
 Installing
 ----------
 
+If you already have a go environment and are developing outside of Chrome
+infrastructure;
+
     go get -u github.com/luci/luci-go/client/cmd/...
     go get -u github.com/luci/luci-go/server/cmd/...
 
+Otherwise you should use [Chromium infra/go area](https://chromium.googlesource.com/infra/infra/+/master/go/README.md).
+You can use the [`quicksetup-infra-go-area.sh`](quicksetup-infra-go-area.sh) script to get such an
+environment like this;

[tandrii(chromium), 2016/06/16 18:30:45]

s/;/:

[mithro, 2016/06/17 05:05:35]

Done here and above.

+
+    wget -O- https://raw.githubusercontent.com/luci/luci-go/master/quicksetup-infra-go-area.sh | bash

[tandrii(chromium), 2016/06/16 18:30:45]

i'd add first line:
cd /where/you/want/source/code

[mithro, 2016/06/17 05:05:35]

Done.

+
 
 Code layout
 -----------