New Feature: Overall performance report

New Feature: Download searched sample to file
New Feature: Added docker-compose template
Fixed Bug: Performance reporting with unended calls has undefined result (was using NOW())
Fixed Bug: Total call time limited to MySQL SEC_TO_TIME function

admin/samplesearch.php

@@ -314,6 +314,8 @@ if ($sample_import_id != false)
 <script type="text/javascript">
 $(document).ready(function() {
   $('#bs-table').DataTable( {
+    "dom": 'Bfrtip',
+    "buttons": ['copy','csv','excel','pdf','print'],
     "processing": true,
     "serverSide": true,
     "ajax": {