changes to go Module dependency management + minor changes

Gopkg.toml

@@ -1,3 +0,0 @@
-[[constraint]]
-  name = "github.com/emgee/go-xmpp"
-  revision = "efce8dbb971164aec26cb4d5805f0bca2f44b112"

README.md

@@ -3,7 +3,7 @@
 - Based on https://github.com/atomatt/go-xmpp
 
 ## Status
-`xmpp-webhook` currently only provides a hook for Grafana. ~~I will implement a `parserFunc` for Prometheus ASAP~~. Check https://github.com/opthomas-prime/xmpp-webhook/blob/master/handler.go to learn how to support more source services.
+`xmpp-webhook` ~~currently~~ only provides a hook for Grafana. ~~I will implement a `parserFunc` for Prometheus ASAP~~. Check https://github.com/opthomas-prime/xmpp-webhook/blob/master/handler.go to learn how to support more source services.
 
 ## Usage
 - `xmpp-webhook` is configured via environment variables:
@@ -13,7 +13,7 @@
 - After startup, `xmpp-webhook` tries to connect to the XMPP server and provides the implemented HTTP enpoints (on `:4321`). e.g.:
 
 ```
-curl -X POST -d @grafana-alert.json localhost:4321/grafana
+curl -X POST -d @grafana-webhook-alert-example.json localhost:4321/grafana
 ```
 - After parsing the body in the appropriate `parserFunc`, the notification is then distributed to the configured receivers.
 
@@ -40,10 +40,9 @@ systemctl start xmpp-webhook
 ```
 
 ## Building
-- Get the sources: `go get -u github.com/opthomas-prime/xmpp-webhook`
-- Install `dep`: https://github.com/golang/dep
-- Change in the project folder: `cd $GOPATH/src/github.com/opthomas-prime/xmpp-webhook`
-- Populate `vendor` folder: `dep ensure`
+- Dependencies are managed via Go Modules (https://github.com/golang/go/wiki/Modules).
+- Clone the sources
+- Change in the project folder:
 - Build `xmpp-webhook`: `go build`
 
 ## Need help?

handler.go

@@ -62,9 +62,9 @@ func grafanaParserFunc(r *http.Request) (string, error) {
 	var message string
 	switch alert.State {
 	case "ok":
-		message = "8-) " + alert.Title
+		message = ":) " + alert.Title
 	default:
-		message = ":'-( " + alert.Title + "\n" + alert.Message + "\n" + alert.RuleURL
+		message = ":( " + alert.Title + "\n" + alert.Message + "\n" + alert.RuleURL
 	}
 
 	return message, nil

main.go

@@ -85,7 +85,7 @@ func main() {
 				xc.Out <- xmpp.Message{
 					To: r,
 					Body: []xmpp.MessageBody{
-						xmpp.MessageBody{
+						{
 							Value: m,
 						},
 					},