Update Tor to `0.4.6.10`

[afilini]

[JeremyRubin]

diff here is also dirty (see #36)

diff -r tor-src/configure.ac /Users/jr/Downloads/tor-tor-0.4.6.10/configure.ac
353d352
<   AC_SEARCH_LIBS(stdin, [fakestdio])
1362a1362,1374
> dnl ----------------------------------------------------------------------
> dnl Check if libcap is available for capabilities.
>
> tor_cap_pkg_debian="libcap2"
> tor_cap_pkg_redhat="libcap"
> tor_cap_devpkg_debian="libcap-dev"
> tor_cap_devpkg_redhat="libcap-devel"
>
> AC_CHECK_LIB([cap], [cap_init], [],
>   AC_MSG_NOTICE([Libcap was not found. Capabilities will not be usable.])
> )
> AC_CHECK_FUNCS(cap_set_proc)
>
diff -r tor-src/scripts/build/combine_libs /Users/jr/Downloads/tor-tor-0.4.6.10/scripts/build/combine_libs
29,34d28
<
<     # Delete the "__.SYMDEF SORTED" file if present, it will be generated
<     # by ranlib at the end on the combined library
<     if [ -f "__.SYMDEF SORTED" ]; then
<         rm -f "__.SYMDEF SORTED"
<     fi
diff -r tor-src/src/core/proto/include.am /Users/jr/Downloads/tor-tor-0.4.6.10/src/core/proto/include.am
5a6
> 	src/core/proto/proto_ext_or.c		\
diff -r tor-src/src/include.am /Users/jr/Downloads/tor-tor-0.4.6.10/src/include.am
89a90
> include src/tools/include.am
diff -r tor-src/src/lib/crypt_ops/crypto_openssl_mgt.h /Users/jr/Downloads/tor-tor-0.4.6.10/src/lib/crypt_ops/crypto_openssl_mgt.h
19d18
< #include <openssl/engine.h>