tech(build): change min go version to 1.6

README.md

@@ -78,7 +78,7 @@ the latest master builds [here](http://grafana.org/download/builds)
 
 ### Dependencies
 
-- Go 1.5
+- Go 1.6
 - NodeJS v4+
 - [Godep](https://github.com/tools/godep)
 

build.go

@@ -34,7 +34,7 @@ var (
 	binaries              []string = []string{"grafana-server", "grafana-cli"}
 )
 
-const minGoVersion = 1.3
+const minGoVersion = 1.6
 
 func main() {
 	log.SetOutput(os.Stdout)