snmp_mibII: use net.inet.ip.fragttl sysctl for ipReasmTimeout

Using IPFRAGTTL define was never correct, as it was measured in
PR_SLOWTIMO intervals. The sysctl returns seconds, just what
ipReasmTimeout is.

style(9): clean up trailing whitespace

MFC after: 3 weeks

Fix variable 'old' is used uninitialized whenever '&&' condition is false.
Spotted by clang.

Differential Revision: D2721
Reviewed by: rodrigc, bapt

A new jail(8) with a configuration file, to replace the work currently done
by /etc/rc.d/jail.

Create the altix project branch. The altix project will add support
for the SGI Altix 350 to FreeBSD/ia64. The hardware used for porting
is a two-module system, consisting of a base compute module and a
CPU expansion module. SGI's NUMAFlex architecture can be an excellent
platform to test CPU affinity and NUMA-aware features in FreeBSD.

- Import the HEAD csup code which is the basis for the cvsmode work.

Virgin import of bsnmpd 1.10

Virgin import of bsnmpd 1.7

Virgin import of bsnmpd 1.5a

Virgin import of bsnmp 1.4