Don't force download all dependencies (#522)

rakyll · web-flow · commit 52b12e1eb8fd · 2018-03-07T09:16:51.000-08:00
With #85, it became possible to go get the package without ...
diff --git a/internal/readme/source.md b/internal/readme/source.md
@@ -16,7 +16,7 @@ rapidly, vendoring is recommended.
 ## Installation
 
 ```
-$ go get -u go.opencensus.io/...
+$ go get -u go.opencensus.io
 ```
 
 ## Prerequisites
