Add OM to apache preloading list.
Fixed: CaseSensitive option wrong in CustomerCompany (bug#9876).

Conflicts:
	Kernel/System/CustomerCompany/DB.pm
Updated PIDUpdateTime setting.

-Made is integer instead of floating point.
-Changed default value to 10 mins (600 secs).
Merge remote-tracking branch 'upstream/master' into otrs-master