Fix environment bug,version of golang should be 1.4+, add reminding in Readme.md

diff --git a/README.md b/README.md
index b535792..0430b73 100644 (file)
--- a/README.md
+++ b/README.md
@@ -15,6 +15,9 @@ Hence we are proposing this specification, along with an initial set of plugins
 
 ## How do I use CNI?
 
+## Requirements
+CNI requires Go 1.4+ to build.
+
 ## Included Plugins
 This repository includes a number of common plugins that can be found in plugins/ directory.
 Please see Documentation/ folder for documentation about particular plugins.