Evaluate commands passed to "exec" and "system" to expand any $variables before executing command.

 - Move init of "reconnect" variable to mysql_init 
 - Add test case to mysql_client_test.

Currently failing tests (for me) in non-debug build:
blackhole fulltext fulltext_cache fulltext_left_join fulltext_multi

into  april.(none):/home/svoj/devel/mysql/BUG13835/mysql-5.0

Allow fulltext index on VARCHAR columns longer than max key length.

into moonbone.local:/work/15347-bug-5.0-mysql

Copyright string fixes (bug#16106)

into  mysql.com:/usr/home/bar/mysql-5.0

into  mysql.com:/usr/home/bar/mysql-5.0

into  mysql.com:/usr/home/bar/mysql-4.1.b15377

into moonbone.local:/work/15538-bug-5.0-mysql

into  mysql.com:/usr/home/bar/mysql-4.1.b15377

into  mysql.com:/usr/home/bar/mysql-4.1.b15377

into  perch.ndb.mysql.com:/home/jonas/src/mysql-4.1

into  perch.ndb.mysql.com:/home/jonas/src/mysql-5.0

into  perch.ndb.mysql.com:/home/jonas/src/mysql-5.0

into  mysql.com:/home/dlenev/src/mysql-5.0-bg12198-2

functions".

We should ignore alias when we check if table was already marked as temporary
when we calculate set of tables to be prelocked. Otherwise we will erroneously
treat tables which are used in same routine and have same name but different
alias as non-temporary.

into  ua141d10.elisa.omakaista.fi:/home/my/bk/mysql-5.0

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

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

into  ua141d10.elisa.omakaista.fi:/home/my/bk/mysql-4.1

Changes to Netware specific mysqld_safe.c

into  mysql.com:/home/my/mysql-4.1