- Change all checks for APC to use the same function, for consistency

Now provides hooks for Nagios, so we can report overall average memory and page generation times alerts.

#297722 by swentel. drush commands for generating users, taxonomy, and content. nice work.. i adapted the code so it matches drush HEAD API ... minor fix for batch delete of nodes/comments

* Updated German translation

Let generated comments have a random timestamp that is later than the node to which they are attached. This can cause dangerous paradox where a comment reply is older than its parent. Hopefully we avoid unravelling the fabric the space time continuum which would  destroy the entire universe.