Both those in the code window and the ones that appears when the user select edit perpective. The one that isn't fixed by this is in edit perspective mode, when the user drags a panel out and it becomes a floating window.
memory check
Also fix an oddity in the case when the last memory check is deleted,
the jit cache was supposed to be cleared in that case, but it was out of
the for loop that finds the one to delete so it was never run.
Naturally, the same fix for the adding the first memory check was
applied.
aldelaro5