Prototype for Pg driver
Merge branch 'master' of github.com:mailru/tarantool into sql
Postgresql driver is ready (at first step)
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.
Postgresql and MySQL drivers are ready.
Tests depend on MYSQL and PG environment variable.
:quote methods for Pg
SQL connectors provide transaction.
tp.h: test refactored.
tp.h: test refactored.
rpm: correct init.d installation path.
Fix ScopedGuard crash on GCC 4.7.3 (Bug#1189470)
Replace 'void *' with 'char *' in most places
Add prefix to memcached methods to prevent future overloading problems
Merge branch 'char-pointer'
Merge branch 'memcached-fun-prefix'