Setting default database back to 'test', so that next test case don't use the wrong database

Added master-slave synchronization to make sure truncate happen before slave manipulations on every platform

into  mysql.com:/users/lthalmann/bk/MERGE/mysql-5.1-merge

into  mysql.com:/users/lthalmann/bk/MERGE/mysql-5.0-merge

into  mysql.com:/users/lthalmann/bk/MERGE/mysql-5.1-merge

into  mysql.com:/users/lthalmann/bk/MERGE/mysql-5.1-merge

into  mysql.com:/users/lthalmann/bk/MERGE/mysql-5.0-merge

into  mysql.com:/users/lthalmann/bk/MERGE/mysql-4.1-merge

into  romeo.(none):/home/bk/w3259-mysql-5.1-new-rpl

into  dl145s.mysql.com:/data/bk/team_tree_merge/MERGE/mysql-5.1

fixed when 5.1-win will be pushed into main tree).
Commenting the libmysqld and libmysqld/example subdirectories will allow us 
to upgrade from cmake 2.2 to 2.4.

into  dl145s.mysql.com:/data/bk/team_tree_merge/MERGE/mysql-5.1

into  dl145s.mysql.com:/data/bk/team_tree_merge/MERGE/mysql-5.0-opt

into  dl145s.mysql.com:/data/bk/team_tree_merge/MERGE/mysql-5.1

into  dl145s.mysql.com:/data/bk/team_tree_merge/MERGE/mysql-5.1

into  dl145s.mysql.com:/data/bk/team_tree_merge/MERGE/mysql-5.0-opt

  Enabled rpl_sp_effects test due to fixed bug.

into  dl145s.mysql.com:/data/bk/team_tree_merge/MERGE/mysql-5.0-opt

into  dl145s.mysql.com:/data/bk/team_tree_merge/MERGE/mysql-4.1-opt

 by master and slave is made.

containing a select statement that uses an aggregating IN subquery.
Added a parameter to the function fix_prepare_information 
to restore correctly the having clause for the second execution.
Saved andor structure of the having conditions at the proper moment
before any calls of split_sum_func2 that could modify the having structure
adding new Item_ref objects. (These additions, are produced not with 
the statement mem_root, but rather with the execution mem_root.)

into  bk-internal.mysql.com:/data0/bk/mysql-5.1-arch

into  zippy.cornsilk.net:/home/cmiller/work/mysql/mysql-5.1-maint

into  zippy.cornsilk.net:/home/cmiller/work/mysql/mysql-5.1-maint

into  zim.(none):/home/brian/mysql/merge-5.1

In practice this means that handlerton is now created by the server and is passed to the engine. Plugin startups can now also control how plugins are inited (and can optionally pass values). Bit more flexibility to those who want to write plugin interfaces to the database. 

into  shellback.(none):/home/msvensson/mysql/mysql-5.0-maint

into  macbook.gmz:/Users/kgeorge/mysql/work/B21180-4.1-opt

into  zippy.cornsilk.net:/home/cmiller/work/mysql/mysql-5.1-maint

into  shellback.(none):/home/msvensson/mysql/mysql-5.0-maint