Renamed groups to roles in the frontend

Working:
 Account
 Cost Centre
 Employee
 Product Group
 Product
 Role
 User
 Client

overlord/src/app/cost-centre/cost-centre.service.ts

@@ -19,7 +19,7 @@ export class CostCentreService {
   }
 
   get(id: string): Observable<CostCentre> {
-    const getUrl: string = (id === null) ? `${url}/new` : `${url}/${id}`;
+    const getUrl: string = (id === null) ? `${url}` : `${url}/${id}`;
     return <Observable<CostCentre>>this.http.get<CostCentre>(getUrl)
       .pipe(
         catchError(this.log.handleError(serviceName, `get id=${id}`))
@@ -27,15 +27,14 @@ export class CostCentreService {
   }
 
   list(): Observable<CostCentre[]> {
-    const options = {params: new HttpParams().set('l', '')};
-    return <Observable<CostCentre[]>>this.http.get<CostCentre[]>(url, options)
+    return <Observable<CostCentre[]>>this.http.get<CostCentre[]>(`${url}/list`)
       .pipe(
         catchError(this.log.handleError(serviceName, 'list'))
       );
   }
 
   save(costCentre: CostCentre): Observable<CostCentre> {
-    return <Observable<CostCentre>>this.http.post<CostCentre>(`${url}/new`, costCentre, httpOptions)
+    return <Observable<CostCentre>>this.http.post<CostCentre>(`${url}`, costCentre, httpOptions)
       .pipe(
         catchError(this.log.handleError(serviceName, 'save'))
       );