Perf: Some speed enhancements

build/exe/doliwamp/httpd.conf.install

htdocs/main.inc.php

htdocs/theme/auguria/img/printer.png

htdocs/theme/bluelagoon/img/printer.png

htdocs/theme/common/transparent.png

htdocs/theme/eldy/img/1downarrow.png

htdocs/theme/eldy/img/1downarrow_selected.png

htdocs/theme/eldy/img/1uparrow.png

htdocs/theme/eldy/img/1uparrow_selected.png

htdocs/theme/eldy/img/logout.png

htdocs/theme/eldy/img/next.png

htdocs/theme/eldy/img/object_account.png

htdocs/theme/eldy/img/object_bill.png

htdocs/theme/eldy/img/object_billa.png

htdocs/theme/eldy/img/object_contact.png

htdocs/theme/eldy/img/object_contract.png

htdocs/theme/eldy/img/object_order.png

htdocs/theme/eldy/img/object_product.png

htdocs/theme/eldy/img/object_service.png

htdocs/theme/eldy/img/object_task.png