WIP Improve ERP5 Queries behavior to fix ERP5JS backslash issue

/bug #20180123-D78557

Please see https://www.erp5.com/web_page_module/9331/getData

Appendixes :

• Original Behavior
• With fix on double backslashes
• With fix on avoid to render invalid queries for non SearchableText columns
• Put double quotes only if necessary

All these commits do not modify the query parser. Only the renderer. (For the moment.)

/cc @vpelletier

See also https://lab.nexedi.com/nexedi/jio/merge_requests/106