Prototype for Pg driver
Merge branch 'master' of github.com:mailru/tarantool into sql
Postgresql driver is ready (at first step)
tp.h: fix buffer allocation supporting any writer
https://github.com/mailru/tarantool/issues/20
tp.h: tp_select example correction.
MySQL driver pre-alpha
Merge branch 'master' of github.com:mailru/tarantool into sql

Conflicts:
	CMakeLists.txt
	src/CMakeLists.txt
	third_party/luajit
Migrate to C++, too
Return back luajit submodule
Migration to C++ was done.
Remove old pthread.h checking.
g++ (not gcc) works correctly when dealing with
extern __inline and __extern_inline constructions, thus
this hack is not necessary now.
Postgresql and MySQL drivers are ready.
define IPROTO_BODY_LEN_MAX as unsigned long by default.
Tests depend on MYSQL and PG environment variable.
tp.h: test fixed and refactored.
tp.h: test fixed and refactored.
:quote methods for Pg
SQL connectors provide transaction.
When loading data from a snapshot, validate tuples

Don't load corrupted tuples.
Merge branch 'stable' of github.com:mailru/tarantool into stable