More debug information in box.net.box messages.
More debug information in box.net.box messages.
Merge branch 'stable' of github.com:tarantool/tarantool into stable
gh-185: add slash separator for pathes that are relative from work_dir.
closes #185.
fixed GH-183 https://github.com/tarantool/tarantool/issues/183
plugins-to-lua-modules: migrate from plugins to lua modules.
Summary:
* PLUGIN_DIR -> MODULE_DIR
* MODULE_DIR prefix is /usr/lib/tarantool/VERSION
* MODULE_DIR automatically appends to both lua c/path
* removed plugin autoload facility in src/lua/init.cc
* removed admin console plugin dependencies
* moved src/box/lua/sql.lua to separate module = require('box.net.sql')
* moved src/plugin/pg = require('box.net.pg')
* moved src/plugin/mysql = require('box.net.mysql')
* default .so and .lua install is lib/tarantool/modules/{box/net/}
* debian spec and tests are updated
tarantool-sql-module: add rpm package for the module.
remove absolute prefix from MODULE_DIR
fix sql module install prefix
gh-183: review fixes. Use a RAII class for scoped guard.

Remove an extra block offset.
Merge branch 'fix-gh-183' into stable
Merge branch 'stable'

Conflicts:
	CMakeLists.txt
	extra/rpm.spec.in
	src/admin.cc
	src/admin.rl
	src/box/box_lua.cc
	src/box/lua/box_net.lua
	src/coio.cc
	src/lua/init.cc
	src/module/mysql/mysql.cc
	src/module/pg/pg.cc
	src/plugin.h
	test/box/admin.result
	test/box/net.box.result
	test/box/net_sql.mysql.result
	test/box/net_sql.mysql.test
	test/box/net_sql.pg.result
	test/box/net_sql.pg.test
	test/box/socket.result
	test/box/socket.test.py