[TYPO3-core] RFC #11783: Change existing warning boxes to use flash messages

[Thomas Hempel]

Hi again,


>>
>> P.S. If you find more places where messages can be replaced with flash 
>> messages let me know or add a comment to the original flash message 
>> issue: http://bugs.typo3.org/view.php?id=11684
>>
> +1 after reading
Just tested some of the changes. (System Warnings in About->Modules, 
Lock-Warning).
I did not tested all because I don't have a testing environment for some 
of them.

Greets,
Thomas