connector-c-librpl: tests for xlog and rpl streams

.gitignore

client/tarantool/tnt.c

connector/c/include/tarantool/tnt_rpl.h

connector/c/include/tarantool/tnt_xlog.h

test/connector_c/CMakeLists.txt

test/connector_c/cfg/master.cfg

test/connector_c/cfg/tarantool.cfg

test/connector_c/connector.test

test/connector_c/connector.xlog

test/connector_c/rpl.c

test/connector_c/suite.ini

test/connector_c/xlog.c

test/connector_c/xlog_rpl.result

test/connector_c/xlog_rpl.test