Remove ' style="font-size: 1em;"' in extraButton - this causes extra space between multiple extraButton inline in one input element

Fixed #7639. Update Manual.rst. Fake STORE_SIP so it can be used during processing sql1. Fixed bug that the currently form loaded record is available via STORE_RECORD.

Implements #7639. Check for id/_id and ord/_ord. Use the given columname. Throw meaningful exception if missing.

Implements #9617. a) formModeGlobal=requiredShowOnly set's the form attribute. The new STORE_VAR 'allRequiredGiven' is set

Change definition of QFQ system tables for 'modified' and 'created'. Use DATETIME instead of TIMESTAMP

QIFEMPTY: detected empty for all - fixed. Not clear why the unit test not failed already. Unit tests checked again that they really work: they do!