update readme and qa scripts

Author: Dieterbe

README.md

@@ -104,7 +104,7 @@ go get github.com/raintank/statsdaemon/cmd/statsdaemon
 Building
 ========
 
-we use govendor to save the dependencies to the vendor directory.
+we use [dep](https://golang.github.io/dep/) to save the dependencies to the vendor directory.
 
 Command Line Options
 ====================

circle.yml

@@ -13,7 +13,7 @@ test:
     - scripts/package.sh
 dependencies:
   override:
-    - scripts/depends.sh
+    - scripts/vendor_health.sh
     - scripts/build.sh
     - scripts/build_docker.sh
 general:

scripts/depends.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+set -e
+
+# checks whether vendor directory is healthy
+
+go get -u github.com/golang/dep/cmd/dep
+
+dep version
+dep status
+dep check