Merge branch 't/write_consolidation'

This topic branch has been cooking in next for two weeks with no
problems.

diff --cc NEWS
index 130c0fc22d511102ddbef5f6ed9d021f844057da,16e8e4e8cf2dba2709b75b612d386434838609ff..f14f2879a8f61726f1c2464d4498b2f771e510c7
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -2,10 -2,6 +2,13 @@@
  0.4.10 (to be announced) "heterogeneous vacuum"
  -----------------------------------------------
  
 +      - The --no_default_filters option of para_filter has been
 +        depricated. It still works but has no effect and will be
 +        removed in the next version.
 +
++       - Cleanup and consolidation of the various wrappers for
++         write(), writev(), send() and friends.
++
  -------------------------------------
  0.4.9 (2011-12-06) "hybrid causality"
  -------------------------------------

diff --cc grab_client.c
Simple merge