Signed-off-by: Konstantin Osipov <kostja@tarantool.org>

tarantool_instance doesn't do anything if tarantool_box isn't found

logger.pl by default, removed tarantool-client package (moved to main
		package)

and man file

- removed SIGUSR2 forwarding
- removed logger and pid command line arguments
- moved man pages generation to doc/man/
- added logger_pid to show info output
- changed instance config preformating scheme