Temporary: Enable 'error' log

Authored by Reedy on Nov 3 2015, 10:55 PM.


Temporary: Enable 'error' log

For warnings, notices and all that jazz

Will only be on the cluster for a few minutes before reverted out
due to the large log file size that will no doubt result...

Ref T45086.

Change-Id: Id7405e4da34f2eb7475d08f0790c36f682fd02a2