Reorganize chapter 3 and chapter 4
Merge branch 'master' of https://github.com/tarantool/tarantool
Merge branch 'master' of https://github.com/tarantool/tarantool
simple changes in 12 xml files
lua-and-packages.xml added introductory secion
Merge branch 'master' of https://github.com/tarantool/tarantool
Merge branch 'master' of https://github.com/tarantool/tarantool
updates after skype conversation
Merge branch 'master' of https://github.com/tarantool/tarantool
Merge branch 'master' of https://github.com/tarantool/tarantool
additions for package yaml and package msgpack
Merge branch 'master' of github.com:tarantool/tarantool