Resolved "TODO" for Texture Cache safety, added explanation message.
Resolved "TODO" for default description, no longer uses default text for sizing
Fixed a memory leak in PostProcessingConfigDiag where it was never freeing any
of the objects it allocated in its constructor.
Minor design change to PostProcessingConfigDiag to give padding around elements
consistent with the rest of Dolphin's user interface (5px).
ef0d21299a