tp: single header lite connector/c. first import.
connector-c-lite: resizeable pointer added, ping operation.
connector-c-lite: tp_reqid added.
connector-c-lite: tp_call name size added.
connector-c-lite: fixed pointers reset on reallocation.
connector-c-lite: typo fix
connect-c-lite: opsplice implementation.
connector-c-lite: opsplice fix.
connector-c-l8: added tuple reply iteration.
connector-c-lite: reply parsing and tuple/field iterations added.
connector-c-lite: added tp_req and tp_reqbuf functions.
connector-c-lite: simplified iterators, added tuple/field accessors.
connector-c-lite: tp_getreqid added, fixed tp_req.
tp_reply always returns reply-code
connector-c-lite: ping fixes.
Merge branch 'connector-c-lite' of github.com:mailru/tarantool into connector-c-lite

Conflicts:
	connector/c/include/tp.h
connector-c-lite: inverting return value for overbound buffer.
connector-c-lite: continious buffer support in reply.
connector-c-lite: tp_req fix
connector-c-lite: tp_replyerrorlen fix for overbounded buffer.