* Got rid of portals/router; getting it to build in portals/portals using

*  Got rid of portals/router; getting it to build in portals/portals using
   symlinks didn't work on 2.6 and router.c has changed enough for the diffs
   not to make sense any more (and life is too short).

*  reworked how reconnect timeouts work in all connection based NALs, to close
   out a bug where reconnection could be delayed until jiffies wraps.

*  tested vibnal with a single echo client + server @ LLNL on 2.6, x86_64

*  make configure-on-demand rather than configure-on-load the default; modprobe
   in 2.6 does locking and deadlocks if the module it is loading tries to load
   more modules in its init sequence.

*  removed some unused vars etc caught by better warnings when building for
   2.6/x86_64