fix: show burndown and pie chart on portfolio page

Author: macite

src/app/common/pdf-viewer-panel/pdf-viewer-panel.component.html

@@ -19,5 +19,5 @@
     </div>
   </div>
   }
-  <!--/panel-footer-->''
+  <!--/panel-footer-->
 </div>

src/app/projects/project-progress-dashboard/project-progress-dashboard.tpl.html

@@ -59,10 +59,10 @@ <h3 class="panel-title">Task Summary Chart</h3>
       </div>
       <div class="panel-body">
         <div class="burndown-chart" ng-if="currentVisualisation == 'burndown'">
-          <!-- <progress-burndown-chart project="project" unit="unit"></progress-burndown-chart> -->
+          <progress-burndown-chart project="project" unit="unit"></progress-burndown-chart>
         </div>
         <div ng-if="currentVisualisation == 'taskSummary'">
-          <!-- <student-task-status-pie-chart project="project"></student-task-status-pie-chart> -->
+          <student-task-status-pie-chart project="project"></student-task-status-pie-chart>
         </div>
       </div>
       <div class="panel-footer text-center">

src/app/units/states/portfolios/portfolios.tpl.html

@@ -237,7 +237,7 @@ <h3 class="panel-title">Review Portfolio of {{selectedStudent.student.name}}</h3
         <i class="fa fa-book"></i>
         <p>No Portfolio Submitted</p>
       </div>
-      <f-pdf-viewer-panel ng-if="project.portfolioAvailable" [pdf-url]="project.portfolioUrl()"> </pdf-viewer-panel>
+      <pdf-viewer-panel ng-if="activeTab == tabs.viewPortfolio && project.portfolioAvailable" [pdf-url]="project.portfolioUrl()"></pdf-viewer-panel>
     </div>
 
     <div class="panel panel-primary" ng-show="activeTab == tabs.assessPortfolio">