update to gdb 7.6
Update patches after update to gdb 7.6
build gdb without python support
use internal readline instead of libedit that doesnt play nice with c++
add bitrig support
getservbyname needs to have locking.  fixes crashes.
previous patch was wrong. doh.
ffs
remove e in front of libnames
use 5.0 per oga
fix all ports with a wantlib on readline.

add devel/readline to LIB_DEPENDS and bump revision .
make spidermonkey search localbase for readline, too
typo in previous. REViSION -> REVISION