client-update: refactor, add include new connector as submodule
use new connector as client driver
client-update: use new lexer and rework cmd processing
client-update: submodule commit updated
client-update: use new file reader library for 'cat' command
Merge branch 'client-update'

Conflicts:
	CMakeLists.txt
	client/tarantool/query.c
	client/tarantool/tc.c
	client/tarantool/tc_cli.c