* include/functions_reporting.php: added render html for "text" and "sql"
item.
* include/ajax/reporting.ajax.php: added request for the custom SQL.
* include/functions_db.php: in function "get_db_value_filter" fixed the
field when the field is escape string.
* godmode/reporting/reporting_builder.item_editor.php: added the preview of
custom SQL.
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@2617 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f