Add David Moore per his request

[SVN r21331]

more/blanket-permission.txt

@@ -7,3 +7,4 @@ Beman Dawes (bdawes@acm.org)
 Daniel Frey (d.frey -at- gmx.de, daniel.frey -at- aixigo.de)
 Douglas Gregor (greod@cs.rpi.edu)
 Aleksey Gurtovoy (agurtovoy@meta-comm.com)
+Dave Moore (dmoore -at- viefinancial.com) (See Boost list message of 18 Dec 2003 15:35:50 -0500)