Quote user and password in the roundup XML-RPC URL

review1143002
(transplanted from 8d9757fd30187f3bb35287b10020dd04e320f8d6)

--HG--
extra : transplant_source : %8D%97W%FD0%18%7F%3B%B3R%87%B1%00%20%DD%04%E3%20%F8%D6
Dict widget must use rec_name to search key

review1401002
(transplanted from c909bd88517dc3752017b700901fe3d4a2ff2674)

--HG--
extra : transplant_source : %C9%09%BD%88Q%7D%C3u%20%17%B7%00%90%1F%E3%D4%A2%FF%26t