Add version checks for golang 1.5.1

.travis.yml

@@ -10,7 +10,7 @@ before_install:
 - cd ..
 sudo: false
 go:
-- 1.5
+- 1.5.1
 notifications:
   slack:
     secure: K9tsn5MvrCAxuEZTxn+m3Kq1K2NG2xMEJFSv/sTp+RQBW7TslPHzv859GsIvrm8mU1y1btOU9RlOzqrRUczI5cJpE8IL1oljPZbXrIXgetE0kbsw0Wpy99g27UQ2VGp933WDu8tfj7zU4cZv+BI0RltNLwqYO6GWXmcWP0IueCU=

buildscripts/checkdeps.sh

@@ -24,7 +24,7 @@ _init() {
     CLANG_VERSION="3.5"
     YASM_VERSION="1.2.0"
     GIT_VERSION="1.0"
-    GO_VERSION="1.5"
+    GO_VERSION="1.5.1"
     OSX_VERSION="10.8"
     UNAME=$(uname -sm)
 

verify-runtime.go

@@ -90,7 +90,7 @@ func checkGolangRuntimeVersion() {
 	v1 := newVersion(getNormalizedGolangVersion())
 	v2 := newVersion(minGolangRuntimeVersion)
 	if v1.LessThan(v2) {
-		Errorln("Old Golang runtime version ‘" + v1.String() + "’ detected., ‘mc’ requires minimum go1.5 or later.")
+		Errorln("Old Golang runtime version ‘" + v1.String() + "’ detected., ‘mc’ requires minimum go1.5.1 or later.")
 	}
 }