Added automatic data sorting in the QC report (#2295)

Automatically sorting by date after loading index.html (see #2282)

* Added table attributes  data-sort-name="moddate" and data-sort-order="asc" in index.html

Former-commit-id: 87d49ae

spinalcordtoolbox/reports/assets/index.html

@@ -67,6 +67,8 @@
               </a>
               <table id="table" class="table table-condensed"
                   data-search="true"
+		  data-sort-name="moddate"
+                  data-sort-order="asc"
                   data-response-handler="responseHandler">
 	                <thead>
 		                  <tr>