This batch attempts to gain consistency across templates.
Please review. If this is acceptable, I will continue with the rest of the older CentOS templates.
Updated CentOS-6.3-x86_64-minimal for consistency
Updated CentOS-6.3-i386-minimal for consistency
Updated CentOS-6.2-x86_64-netboot for consistency
Updated CentOS-6.2-x86_64-minimal for consistency
Updated CentOS-6.2-i386-minimal for consistency