[TYPO3-core] Introducing a BE rootline cache

[Martin Kutschker]

Martin Kutschker schrieb:
> Hi!
> 
> This is a SVN patch request.
> 
> Branch: trunk
> 
> Issue: The BE tries to get the rootline for a given page id again and 
> again (eg in the "new element" wizard). This create quite a large number 
> of unnecessary DB requests.
> 
> Solution: Use a cache during a page request.

Commit as is (none of the suggested changes were necessary).

Masi