Minor tweaks of the code as per a more thorough review of the 10k
patch which introduces C++ instead of Objective C.
No bugs found or fixed, only style changes.

Conflicts:
	src/CMakeLists.txt
	third_party/luajit

Conflicts:
	.gitmodules

Add comments, add documentation.

Conflicts:
	test/box/lua.result

Don't allow a mix of scalars and complex returns in Lua multireturn.
Allow a mix of tables and tuples in Lua multireturn table.

Conflicts:
	test/box/lua.result

Code review of cjson branch by Dmitry E. Oboukhov.
Hand-picking the changes since the original branch
is based on import of lua-cjson into Tarantool
revision tree, and this branch is based on a git
submodule.

This patch implements
https://blueprints.launchpad.net/tarantool/+spec/lua-cjson

Reference commit  4bc5e917c8cd5fc2f6b217512ef530007529322f
(2.1.0 tag, stable).

Make the scripts work locally. Fix render bugs.

Conflicts:
	test/box/lua.result

- write the docs
- remove unnecessary introduction of Perl
- properly implement, document and test box.fiber.wrap()
- rename box.find, explore alternatives (none)
- rewrite box.unpack('R') to reuse code and do
what's expected of it.

https://blueprints.launchpad.net/tarantool/+spec/locale-dependent-print

1. Changing permissions for Charts
2. Removing old obsolete SVG charts

1. New highcharts based charts, instead of gnuplot based svg's.
2. Added tabs and buttons for better view.