8.2
add new way of mapping data using callback functions
[Form] removed deprecated features
[Form] Protected methods in FormConfigBuilder and FormBuilder from being called when it is turned into a FormConfigInterface instance
[Form] Make exception handling consistent with other components
Mark ExceptionInterfaces throwable
[Form] Fixed invalid use of FormException
[Form] Moved parent data inheritance from data mappers to Form
Merge branch '6.4' into 7.0
Prefix all sprintf() calls