logilab-common #115775 use WatchedFileHandler instead of FileHandler if available [validation pending]

this would allow log file rotation, instead of continuing to log in obsolete, or even deleted, files.

prioritynormal
typeenhancement
appeared in<not specified>
done in0.59.1
load left0.000
closed by#1552:989594587163
patchlogging: use WatchedFileHandler instead of FileHandler if available [applied]