- Copy stable/10 (r259064) to releng/10.0 as part of the
10.0-RELEASE cycle.
- Update __FreeBSD_version [1]
- Set branch name to -RC1

[1] 10.0-CURRENT __FreeBSD_version value ended at '55', so
start releng/10.0 at '100' so the branch is started with
a value ending in zero.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Merge libpcap-1.1.1.

Merge of libpcap 0.8.3 from tcpdump.org.

Merge libpcap 0.6.2

Add support for ISO CLNP/ES-IS/IS-IS.
These changes have been also sent back to LBL for inclusion in next release.

Submitted by: Tony Li <tli@jnx.com>