config.qfq.example.ini: Added comment where to save config.qfq.ini.

QuickFormQuery.php, FormAction.php: '#2931 / afterSave Hauptrecord xId nicht direkt verfügbar' - load master record again, after 'action'-elements has been processed.

UsersManual/index.rst: renamed chapter for formelements. Cleanup formelement types. Wrote chapter 'Detailed concept'

Index.rst: Add note to hierachy chars. Fixed uncomplete doc to a) bs*Columns, showButton. Add classPill, classBody. Rewrote form.paramter.class...

FormEditor: 1) design update - new default background color: grey. 2) per form configureable background colors, 3) Optional right align of all form element labels.
BuildFormBootstrap.php: added new class name 'qfq-label' to form labels - needed to assign 'qfq-form-right' class. Changed wrapping of formelements from 'col-md-8' (wrong) to 'col-md-12'.
QuickFormQuery.php: Set default for new F_CLASS_PILL & F_CLASS_BODY.
formEditor.sql: New default background color for formElements is blue.
qfq-bs.css.less: add classes qfq-form-pill, qfq-form-body, form-group (center), qfq-color-*, qfq-form-right

#1255: Remove whole 'Log', 'Utils', 'Db' class - completely useless and not used much. As side effect, #1255, has been solved.
report/Db.php|Log.php|Utils.php: deleted - not necessary anymore
Link.php, Report.php: Remove references to deleted classes. Adjusted one call to db->sql().

formEditor.sql: Added ':S0' to make FormEditor more robust - no error message in case formId can't be resolved, but still wrong behaviour.
Constants.php: Prepend '_' to SIP_MAKE_URLPARAM_UNIQ
Evaluate.php: phpstorm shows that 'getDebug()' is not used anywhere - commented.

delete.php, Delete.php: reformat
Link.php: typo

CODING.md: update docs for situation 'new record already saved'.
FillStoreForm.php: In case of form load with r=0, the submitted form element names are does not contain the effective record id - workaround implemented.
Session.php: refactored clear(), create unsetItem().
Sip.php: new buildParamStringFromArray(), updateSipToSession().
Store.php: For r=0 SIPs always add a uniqe parameter.
AbstractBuildForm.php: modified message for subrecords on new record.
QuickFormQuery.php: create unique SIP on form load.

Sip.php, Constants.php: define constant

Delete.php: fixed typo.

.gitignore: added qfq*.zip to ignore. The '*' is important in case the extension are generated with the version number included in the filename.