Storefront: checkout/confirmation fix related to comments for html-view of email letter for customer.
Core: added methods is_POST() and is_GET() in ARequest class
Control Panel: Resource library js-fix related to multiple usage on same page
revert commit: Resource library js-fix related to multiple usage on same page
Control Panel: downloads related changes, part1 (incomplete)
Merge remote-tracking branch 'origin/1.1.8' into 1.1.8

Conflicts:
	public_html/admin/view/default/template/pages/catalog/product_files.tpl
	public_html/admin/view/default/template/responses/product/product_file_row.tpl