add badge CI to readme

Author: MalloZup

README.md

@@ -1,5 +1,8 @@
 # ha_cluster_exporter
 
+[![Build Status](https://travis-ci.org/ClusterLabs/ha_cluster_exporter.svg?branch=master)](https://travis-ci.org/ClusterLabs/ha_cluster_exporter)
+
+
 This prometheus exporter is used to serve metrics for pacemaker https://github.com/ClusterLabs/pacemaker
 
 It should run inside a node of the cluster or both.

ha_cluster_exporter.go

@@ -77,7 +77,7 @@ var (
 
 	corosyncQuorate = prometheus.NewGauge(prometheus.GaugeOpts{
 		Name: "corosync_quorate",
-		Help: "shows if the cluster is quorate. 1 cluster is quorate, 0 not"
+		Help: "shows if the cluster is quorate. 1 cluster is quorate, 0 not",
 	})
 
 	// cluster metrics