F6289: show debug button for 'All' and 'Per session'. Remove expired logfiles. Set new form variables FORM_LOG_FILE_ALL, FORM_LOG_FILE_SESSION.

F6289: First runnable version to show the formLog. Log is still empty (nothing submitted). 'per session' / 'all' not implemented.

B6168 Configuration language setting ignored: Form and FormElement editor still used uppercase config values for language configuration. Updated to the new camel case notation.

B5077 Dynamic Update & FE.type=required: Server fixed - a) dynamic calculated modeSql respected, b) formModeGlobal=requiredOff respected, c) dynamic FE with mode='hidden' are not saved anymore.

F6100 Url Forward Auto: Update Manual.rst. The F.parameter.saveAndClose has been removed again. Mode 'close' can be assigned statically or dynamic.

Manual.rst: usage of drag and drop.

DragAndDrop.php, QuickFormQuery.php: bug fixes
FillStoreForm.php: no FE on a Form now ok - necessary for dnd sort forms.

DRAGANDDROP.md, PROTOCOL.md: Doc for "drag'n' drop" implementation.
dragAndDrop.php: API endpoint
DragAndDrop.php: Class for implementing drag'n' drop functionality.
Link.php: implement new renderMode=8 - returning only the sip.
QuickFormQuery.php: New entry point for processing "drag'n' drop".

HelperFormElement.php, SessionCookie.php, Html2Pdf.php, Store.php, Constants.php: migrate to camel case on configuration variables.
Config.php: readConfig() reads now config.qfq.ini and T3 LocalConfiguration.php.

Link.php: SIP Links get automatically parameter '__dbIndexData'
Report.php: can select DB via 'dbIndex' directive (global)
AbstractBuildForm.php: dbIndexData now based on setting in Form (before on config.qfq.ini)
formEditor.sql: FormEditor update on Form 'form' and 'formElements'

Implemeted two new STORE_SYSTEM variables: '_dbNameData' and '_dbNameQfq' - those will be automatically filled qfq during instantiation QuickFormQuery(). They can be used in Report to easily access the needed DB.

HelperFormElement.php: AppendFormElementNameImageCut()
Support.php: Force Sanatize Class fuer FE.type=imageCut.
AbstractBuildForm.php: Add source filename to SIP
QuickFormQuery.php: Call $save->processAllImageCutFE();
Save.php: processAllImageCutFE(), extractImageDataReplaceFile()

Store.php, AbstractBuildForm.php, QuickFormQuery.php, Save.php: change signature of appendToStore() to be eqal to setStore().
Unittests for appendToStore.php

BuildFormBootstrap.php: make buildPillNavigation dynamicUpdate aware.
QuickFormQuery.php: Fix problem with missing HTML_ID in FE.

Bug #5031 / Missing details in DbException: New definition of SYSTEM_SHOW_DEBUG_INFO: even after config.qfq.ini is parsed and SIP Infos has been read - if there is no BE User logged in, the value stays on 'auto' (earlier it has been replaced to 'no'). Staying on 'auto' keeps the information that replacing is still open and not replaced means 'no'-BE User logged in.

Bug 5004 FormElement with state 'ReadOnly' will be saved with empty value - existing values will be overwritten.

OnArray.php: new function keyNameRemoveLeadingUnderscore().
Report: Introduce constant TOKEN_COLUMN_CTRL.
Config.php: Implement function 'checkDeprecated().
Store.php: Update StoreSystemUpdate() to handle up to 3 FILL_STORE_SYSTEM_SQL_x. Implement an optional error message together with a full stop.