Make post signal endpoint plural

src/main/java/fr/ippon/jhipster/bpm/web/rest/BPMResource.java

@@ -22,7 +22,7 @@ public class BPMResource {
         this.runtimeService = runtimeService;
     }
 
-    @PostMapping("/signal")
+    @PostMapping("/signals")
     @Timed
     public ResponseEntity<Void> sendSignal(@RequestBody String signal) {
         SignalEventReceivedBuilder signalEvent = runtimeService.createSignalEvent(signal);

src/main/webapp/app/shared/bpm/bpm.service.ts

@@ -12,7 +12,7 @@ export class BpmService {
     constructor(private http: Http) { }
 
     sendSignal(signalName: string): Observable<Response> {
-        return this.http.post(`${this.resourceUrl}/signal/`, signalName);
+        return this.http.post(`${this.resourceUrl}/signals/`, signalName);
     }
 
     private convertResponse(res: Response): ResponseWrapper {