NOJIRA : Adding a Spreadsheet XSLX export with media icons included, it uses PHPExcel lib to produce a valid XLSX for LibreOffice or Excel. This spreadsheet contains media images embedded. CSV doesn't allow that and senior external curators are intoxicated with their spreadsheets with tiny pics...

Amending commit : upgrading top file references, fixing typo for ca_tours...
Merge remote-tracking branch 'origin/objectsResultsListToExcelWithImages' into objectsResultsListToExcelWithImages

Conflicts:
	themes/default/views/find/Results/ca_collections_xlsx_results.php
	themes/default/views/find/Results/ca_entities_xlsx_results.php
	themes/default/views/find/Results/ca_loans_xlsx_results.php
	themes/default/views/find/Results/ca_movements_xlsx_results.php
	themes/default/views/find/Results/ca_object_lots_xlsx_results.php
	themes/default/views/find/Results/ca_objects_xlsx_results.php
	themes/default/views/find/Results/ca_occurrences_xlsx_results.php
	themes/default/views/find/Results/ca_places_xlsx_results.php
	themes/default/views/find/Results/ca_storage_locations_xlsx_results.php
	themes/default/views/find/Results/ca_tour_stops_xlsx_results.php