Added FE to FormEditor, to delete FE on Form delete as well.

Manual.rst: various topics undocumented.
DatabaseUpdate.php: New table Clipboard, New FE.type='paste', New Form.forwardMode='url-sip' - will be applied for 0.18.3.
FormAction.php: New: doAllFormElementPaste(), prepareDuplicate(), checkNCopyFiles(), copyRecord()
Store.php: New member in STORE_CLIENT 'CLIENT_COOKIE_QFQ' - might be used to identify current user.
BuildFormBootstrap.php: New buildButtonCopyForm().
QuickFormQuery.php: Calculating the target page now happens after saving the current record and processing all after save actions. New: pasteClipboard()
formEditor.sql: New form 'copyForm'. New table 'Clipboard'

Introduce new config var 'DB_UPDATE' in config.qfq.ini. Update the handling, if there exist table 'form' and 'Form'.
Manual.rst:  document the new config option DB_UPDATE.
Database.php: Typo fixed.
DatabaseUpdate.php: Iterate over all found 'Form' tables, take the newest version number. Respect config option DB_UPDATE. Fixed a problem: if in the PHP DB updates a newer DB Version is configured than the PHP source itself is, such updates are now not played anymore.
Config.php, QuickFormQuery.php, config.example.ini: handle config setting DB_UPDATE.

Manual.rst: add 'hideZero' to doc.
AbstractBuildForm.php, Support.php: implement to suppress '0' if showZero=1

#3568 / Form: fuer alle Buttons (save, close, new, delete) eine optionale class & text konfigurierbar machen
Manual.rst: new configuration options listed at config.qfq.ini and Form.paramtert.
Config.php: Defaults configured for F_SAVE|CLOSE|DELETE|NEW_BUTTON_TEXT|TOOLTIP|CLASS|GLYPH_ICON.
BuildFormBootstrap.php: Changed code to take values from config.qfq.ini or (if given) from form.parameter definitions.
QuickFormQuery.php: Copy new setup values from config.qfq.ini to Form.
StoreTest.php: update unit test for new global configuration values
config.qfq.example.ini: fill with new commented key/value pairs.

Manual.rst: update doc of 'url-skip-history'.
DatabaseUpdateData.php: update data structure as well as update given data from 'page' to 'url'.
QuickFormReport.php: remove temporarily fix page/url.
formEditor.sql: update table 'Form.forwardMode' to ('client', 'no', 'url', 'url-skip-history'). FormEditor now uses dynamicUpdate to hide/show FE 'forwardPage'.

bulb.png: update image

Database.php, QuickFormQuery.php: Initializing of native FormElements: _tgIndex
HelperFormElement.php: new function formElementSetDefault(). Add '%d' to id's of extraButtonInfo text elements.
Manual.rst: minor typos fixed

New Version v0.17.5.

Manual.rst: added documentation for new config.qfq.ini variables GFX_EXTRA_BUTTON_INFO_INLINE, GFX_EXTRA_BUTTON_INFO_BELOW.

Manual.rst: notes how to setup length-exceptions to SECURITY_GET_MAX_LENGTH
config.php: implemented special handling of GET vars, named with '..._<num>'.

Add `sqlLog` and `sqlLogMode` to QFQ tt-content records.
Add mode 'error' and `none` to sqlLogMode.
Manual.rst: Added explanations for SQL_LOG, SQL_LOG_MODE, and tt-content pendants sqlLog, sqlLogMode. Update config.qfq.ini to latest attributes.
Database.php: rename $mode to $currentQueryMode to make it more descriptive. Recode dbLog().
Logger.php: do nothing if there is no file defined.
Report.php: new function checkUpdateLog().
Config.php: Set defaults for config.qfq.ini SQL_LOG and SQL_LOG_MODE
Store.php: Fix problem that an empty SQL_LOG will be prependad with SYSTEM_PATH_EXT.

Manual.rst: fixed some typos, added three more examples to _pdf
config.qfq.example.ini: Remove DB_NAME_TEST, Add some details about SQL_LOG, add example for TECHNICAL_CONTACT

Manual.rst, AbstractException.php, SessionCookie.php, Downoad.php, Error.php, Link.php, Report.php, Store.php, AbstractBuildForm.php, BuildFormBootstrap.php, config.qfq.example.ini: replace all access to SHOW_DEBUG_INFO with respect to multiple values.

Implement additional 'SHOW_DEBUG_INFO = download' to track down problems with 'session forwarding'.
Configure constants for SHOW_DEBUG_INFO for yes|no|auto

Add TestFormEditor.sql

Manual.rst: add description for new attribute 'capture'.
AbstractBuildForm.php: implement adding attribute.

Implemented: file upload check for mime type and max file size.
File.php, AbstractBuildForm.php: Implement FE_FILE_MIME_TYPE_ACCEPT and FE_FILE_MAX_FILE_SIZE

config.qfq.ini: REDIRECT_ALL_MAIL_TO = john@doe.com
All emails, sent bey QFQ will not be sent to the given receiver, instead they are delivered to 'catch all email' address.
Sendmail.php: Check config.qfq.ini setting for REDIRECT_ALL_MAIL_TO - if set take that address as real receiver for all mails from Form and Report.

DatabaseUpdateData.php, QuickFormQuery.php, formEditor.sql, TestFormEditor.sql: set new escapeDefaultSetting in Schema.

Fixed: unnecessary exception if there is no Form / FormElement table
Database.php: New function playSqlFile().
DatabaseUpdate.php: missing table Form won't throw an exception anymore.
Manual.rst: note that formEditor.sql will be played automatically.

README.md: temporary path to documentation

.*rst: Migration back from qfq-doc to qfq