Add proper error message for old client connecting new server using user which has password in

new format SCRUM


include/mysqld_error.h:
  Add new error message
sql/share/czech/errmsg.txt:
  czech
sql/share/danish/errmsg.txt:
  danish
sql/share/dutch/errmsg.txt:
  dutch
sql/share/english/errmsg.txt:
  New Error message for in case old client connects new server and new auth is to be used
sql/share/estonian/errmsg.txt:
  estonian
sql/share/french/errmsg.txt:
  french
sql/share/german/errmsg.txt:
  german
sql/share/greek/errmsg.txt:
  greek
sql/share/hungarian/errmsg.txt:
  hungarian
sql/share/italian/errmsg.txt:
  italian
sql/share/japanese/errmsg.txt:
  japaneese
sql/share/korean/errmsg.txt:
  korean
sql/share/norwegian-ny/errmsg.txt:
  norwegian-ny
sql/share/norwegian/errmsg.txt:
  norwegian
sql/share/polish/errmsg.txt:
  polish
sql/share/portuguese/errmsg.txt:
  portuguese
sql/share/romanian/errmsg.txt:
  romanian
sql/share/russian/errmsg.txt:
  russian
sql/share/serbian/errmsg.txt:
  se
sql/share/slovak/errmsg.txt:
  slovak
sql/share/spanish/errmsg.txt:
  spanish
sql/share/swedish/errmsg.txt:
  swedish
sql/share/ukrainian/errmsg.txt:
  ukrainian
sql/sql_parse.cc:
  Add proper error message if old clients can't authenticate due to unsupported protocol
  SCRUM

include/mysqld_error.h

@@ -265,4 +265,5 @@
 #define ER_DERIVED_MUST_HAVE_ALIAS 1246
 #define ER_SELECT_REDUCED 1247
 #define ER_TABLENAME_NOT_ALLOWED_HERE 1248
-#define ER_ERROR_MESSAGES 249
+#define ER_NOT_SUPPORTED_AUTH_MODE    1249
+#define ER_ERROR_MESSAGES 250