Resolve "Delete multiple files (web interface)"

Closes #95 (closed) add bulk delete of selected datafiles (web interface)

portal/templates/portal/secure/user/datafile_list.html

@@ -58,7 +58,7 @@
 </div>
 
 
-{# delete Bulk #}
+{# Delete bulk #}
 <div class="modal fade" id="delBulkModal" tabindex="-1" role="dialog" aria-hidden="true">
     <div class="modal-dialog modal-dialog-centered" role="document">
         <div class="modal-content">
@@ -73,7 +73,7 @@
                         {% csrf_token %}
                         {{ batch_deletebulk_datafile_form|crispy }}
                         <div class="alert alert-warning" role="alert">
-                            {% trans 'Warning: Deleting selected entries is an IRREVERSIBLE action.' %}
+                            {% trans 'Warning: Deleting selected files is an IRREVERSIBLE action.' %}
                         </div>
                 </div>
                 <div class="modal-footer">
@@ -194,11 +194,11 @@ $(function() {
                 rows:{
                     _: `Selected %d rows&nbsp;&nbsp;<a onclick="$('#all-datafile').DataTable().rows('.selected').deselect()" id="sel-deselect" href="#"><i class="fas fa-backspace"></i></a>
                         <br>
-                        <a onclick="addAnnotClick()" id="sel-add-annot" href="#"><i class="far fa-plus-circle mr-1"></i>{% trans 'Add/Update annotations' %}</a>
+                        <a onclick="addAnnotClick()" id="sel-add-annot" href="#"><i class="fa fa-plus-circle mr-1"></i>{% trans 'Add/Update annotations' %}</a>
                         &nbsp;
-                        <a onclick="remAnnotClick()" id="sel-rem-annot" href="#"><i class="far fa-minus-circle mr-1"></i>{% trans 'Remove annotations' %}</a>
+                        <a onclick="remAnnotClick()" id="sel-rem-annot" href="#"><i class="fa fa-minus-circle mr-1"></i>{% trans 'Remove annotations' %}</a>
                         <br>
-                        <a onclick="deleteBulkClick()" id="sel-delete-bulk" href="#"><i class="far fa-minus-circle mr-1"></i>{% trans 'Delete selected files' %}</a>
+                        <a onclick="deleteBulkClick()" id="sel-delete-bulk" href="#"><i class="fa fa-trash mr-1"></i>{% trans 'Delete selected files' %}</a>
                         <br>
                         <a onclick="createDatasetClick()" id="sel-create-dataset" href="#"><i class="fa fa-cloud-upload mr-1"></i>{% trans 'Create Dataset' %}</a>`,
                     0: "",