Update to bmake-20131001 on the vendor branch
bmake: Revert local modification patches.

  Preparing a clean vendor branch merge.
Merge branch 'vendor/BMAKE'
bmake: new local modifications.
bmake: Update READMEs and makefiles
tcp: Use lwkt_sendmsg_oncpu to run TCP timers in the current CPU's netisr
dummynet: Utilize lwkt_sendmsg_oncpu
bridge: Utilize lwkt_sendmsg_oncpu
ipfw: Utilize lwkt_sendmsg_oncpu
ipflow: Utilize lwkt_sendmsg_oncpu
arp: Utilize lwkt_sendmsg_oncpu
route/ip4: Utilize lwkt_sendmsg_oncpu
carp: Utilize lwkt_sendmsg_oncpu
syncache: Use lwkt_sendmsg_oncpu to schedule timeouts