more robust: support /usr/local/bin/hg;

consolidated main cronjob server on virtual machine together with build_log database;
eliminated special tricks for Gentoo;
import plain_identify logs, export all logs for backup;
run build_release, build_history_base in parallel to remote_build_history tasks;

--HG--
rename : Admin/cronjob/crontab.lxbroy10 => Admin/cronjob/crontab.server