Import srecode manual from CEDET trunk

Import srecode manual from CEDET trunk

Ref
http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00419.html
and preceding discussion

Imported from
bzr://cedet.bzr.sourceforge.net/bzrroot/cedet/code/trunk
doc/texi/srecode.texi

bzr log shows (very) tiny changes from authors with assignments:
Alex Ott <ottalex@users.sourceforge.net>
David Engster <dengste@eml.cc>
Vincent Belaïche <vincentb1@users.sourceforge.net>

and from:
emacsman@users.sourceforge.net
scymtym@users.sourceforge.net

Fixes: debbugs:9966