Merging 4.1 to 5.0

Build-tools/Do-compile:
  Auto merged
client/Makefile.am:
  Auto merged
client/mysqladmin.cc:
  Auto merged
configure.in:
  Auto merged
ndb/src/common/util/version.c:
  Auto merged
sql/ha_ndbcluster.cc:
  Auto merged
sql/ha_ndbcluster.h:
  Auto merged
ndb/src/mgmsrv/main.cpp:
  Resolved NDB conflict between 4.1 and 5.0

mysql-test/r/ctype_uca.result

@@ -19,6 +19,9 @@ select 'a ' = 'a\t', 'a ' < 'a\t', 'a ' > 'a\t';
 select 'a  a' > 'a', 'a  \t' < 'a';
 'a  a' > 'a'	'a  \t' < 'a'
 1	1
+select 'c' like '\_' as want0;
+want0
+0
 CREATE TABLE t (
 c char(20) NOT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;

mysql-test/r/ctype_utf8.result

@@ -814,3 +814,6 @@ t2	CREATE TABLE `t2` (
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t2;
 drop table t1;
+select 'c' like '\_' as want0;
+want0
+0