Manual post-merge

  Revised the fix for bug #7098.
  Corrected the method Item_string::new_item.
sql_select.cc:
  Revised the fix for bug #7098.
  Aborted the previous modifications.

into rurik.mysql.com:/home/igor/dev/mysql-4.1-0

  Added a test case for bug #7098.
sql_select.cc:
  Fixed bug #7098.
  When a string field was substituted for an equal constant
  the collation of the constant was changed by mistake for 
  the binary collation.

into mysql.com:/Users/kent/mysql/bk/mysql-5.0-compile

  Make SQL more readable, substitute hostname at runtime
mysql-test-run.pl:
  Run init scripts with /bin/sh, ignore return code

into mysql.com:/Users/kent/mysql/bk/mysql-5.0-compile

into mysql.com:/Users/kent/mysql/bk/mysql-4.1-perl

into mysql.com:/Users/kent/mysql/bk/mysql-5.0-compile

'ps_1general' and 'fulltext_cache' test cases.

into mysql.com:/home/dellis/bkl/bug-4.1

into mysql.com:/home/cps/mysql/trees/mysql-5.0

Recommited, as I made a typo in the previous patch myself =)

into mysql.com:/Users/kent/mysql/bk/mysql-4.1-perl

into mysql.com:/home/dellis/bkl/bug-5.0

into mysql.com:/home/mysql_src/mysql-5.0-xa

into mysql.com:/home/mysql_src/mysql-5.0-xa

into serg.mylan:/usr/home/serg/Abk/mysql-5.0

into pcgem.rdg.cyberkinetica.com:/var/db/bk/work-acurtis/bug4445.2

into pcgem.rdg.cyberkinetica.com:/var/db/bk/work-acurtis/bug4445.2

into pcgem.rdg.cyberkinetica.com:/var/db/bk/work-acurtis/bug4445.1

  Make a more informative platform info for Windows

into mysql.com:/home/pem/work/mysql-5.0

into mysql.com:/space/pekka/ndb/version/my41-1.2154.30.2

into mysql.com:/Users/kent/mysql/bk/mysql-4.1-perl

into gluh.mysql.r18.ru:/home/gluh/MySQL/mysql-5.0