Remove dependency of admin.m from the configuration file.
Remove txn->txn_flags from recover_row().

Conflicts:
	include/fiber.h
	src/CMakeLists.txt
	src/lua/init.m
	src/replica.m

Move mod/box/ src/box. Fix broken packages.
Rename tarantool_cpack.cmake to cpack.cmake.

Change memcached, admin and iproto connection to use the
buffered IO.
Make coio_writev accept a hint about the total size.
Remove fiber iov.

Remove ugly port_add_u32, port_dup_u32.
Now there are only port methods to add a tuple.
An additional method, port_eof(), is introduced
to mark the end of a result set.

Count tuples of SELECT automatically in port_iproto,
where it is needed.

Conflicts:
	include/fiber.h
	src/fiber.m
	src/replica.m
	test/box/lua.result

The latest bfd.h requires PACKAGE and PACKAGE_VERSION to be set.

Fix iteration over a hash index to notw return garbage tuples.

Now that the network layer is exception aware, slowly
transit with the rest of Tarantool subsistems to
exception-based error handling model.

Make sure fiber_create() throws an exception
if there is insufficient memory for fiber or its
stack. Make the rest of the code aware of the change.

Conflicts:
	test/box/admin.result
	test/box/configuration.result
	test/box/lua.result
	test/box_memcached/off.result

https://bugs.launchpad.net/tarantool/+bug/1061147

Patch contributed by Mons Anderson

When accessing Lua stack via a numeric index, first calculate
absolute value of the index.