Added my name

[SVN r21216]

more/blanket-permission.txt

@@ -6,3 +6,4 @@ David Abrahams (dave@boost-consulting.com)
 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)