Tickets 47427 & 47385 - Disk Monitoring Fixes
Bug Description:
47427 - Overflow of treshold setting
47385 - Server not shutting down as expected when disks fill up.
Fix Description:
47427 - Change data type from "int" to PRUint64 for thresold and other size related variables
47385 - removed unnecessary checks(if free disk space is continuing to drop).
https://fedorahosted.org/389/ticket/47385
https://fedorahosted.org/389/ticket/47427
Reviewed by: richm & nhosoi(Thanks!!)