- legen-entry.component: any action via buttons

- Moment.Pipe insider core/time module
- dataset.service.ts: init initial timespan with current week timestamps

src/common/core/core.module.ts

@@ -1,7 +1,7 @@
 import { CommonModule } from '@angular/common';
 import { NgModule } from '@angular/core';
 
-
+import { MomentPipe } from './time/moment-pipe';
 import { DatasetApiService } from '../../app/services/dataset-api.service';
 
 
@@ -10,8 +10,10 @@ import { DatasetApiService } from '../../app/services/dataset-api.service';
     CommonModule
   ],
   declarations: [
+    MomentPipe
   ],  
   exports: [ 
+    MomentPipe
   ],
   providers: [      
   ]