changed config_version to config_version_string and fixed yaml for build

plugins/inputs/puppetagent/last_run_summary.yaml

@@ -30,5 +30,5 @@
     last_run: 1444936531
     cron: 0.000584
   version:
-    config: 1444936521
-    puppet: "3.7.5"
+    config: "branch:d6018ce"
+    puppet: "3.7.5"

plugins/inputs/puppetagent/puppetagent.go

@@ -68,8 +68,8 @@ type time struct {
 }
 
 type version struct {
-	Config string `yaml:"config"`
-	Puppet string `yaml:"puppet"`
+	Config_string string `yaml:"config"`
+	Puppet        string `yaml:"puppet"`
 }
 
 // SampleConfig returns sample configuration message

plugins/inputs/puppetagent/puppetagent_test.go

@@ -28,7 +28,7 @@ func TestGather(t *testing.T) {
 		"resources_outofsync":       int64(0),
 		"changes_total":             int64(0),
 		"time_lastrun":              int64(1444936531),
-		"version_config":            "branch:d6018ce",
+		"version_config_string":     "branch:d6018ce",
 		"time_user":                 float64(0.004331),
 		"time_schedule":             float64(0.001123),
 		"time_filebucket":           float64(0.000353),