- auto_increment key start from '1' now

Conflicts:

	test/big/tarantool.cfg

Use a single argument for mh_hash() and mh_eq().

Preparation for addition of 't' format specifier in
pack/unpack: move these functions to box_lua.m.

Conflicts:

	test/box/lua.result

user can throw an exception with choised code.

Inline bio_socket_close().
Don't allow connect/bind on a non-empty socket:this is error-prone.
Don't allow connect/bind on a socket which
is already connected/bound/used for something else.
This is error-prone.
Move bind_addrinfo to evio layer.
Don't create iobuf without need. In close(), set iobuf to NULL.
Timeouts are not exceptions. Merge _timeout and other calls in coio.

Do not throw exceptions from coeio_connect_addrinfo() if timeout.
Rename box.io to box.socket.

Move third_party library compilation to the top level (less
directory traversal).
Provide an option for using system LibEIO/libobjc.

Enforce a naming convention for cmake/ scripts
(Find* and Build*).

Move ev and eio wrappers to third-party (todo: delete
them completely).

There is one (known) problem with this patch:
tarantool --version now prints incorrect compile flags.
To be fixed in a separate patch.

Since connect/disconnect events in iproto run outside
fiber context, queue execution of on_connect/on_disconnect
triggers through the request queue. Generalize the request
queue for that purpose.

Implement a framework for on_connect/on_disconnect triggers
and Lua bindings for it.

Add tests and docs.

Move Box API declarations to box.h.
Make box.h a public header.
Add comments to box functions.
Rename fuctions accordingly.
Make includes for connector/c more local.