into  dev3-127.(none):/mnt/mysql/home/ngb/mysql-5.1/mysql-5.1-bug21585

           and other commands related to ndb. For all of these, the help screen contains 
           "Ndb.cfg" string. Now i change the "Ndb.cfg" to "my.cnf" because "Ndb.cfg" is obsolete.

into  dev3-127.(none):/mnt/mysql/home/ngb/mysql-5.1/mysql-5.1-bug20575

into  dev3-127.(none):/mnt/mysql/home/ngb/mysql-5.0/bug20575

into  qa3-104.qa.cn.tlan:/mnt/sda7/justin.he/mysql/mysql-5.1/mysql-5.1-ndb-bj

into  qa3-104.qa.cn.tlan:/mnt/sda7/justin.he/mysql/mysql-5.0/bug21036-mysql-5.0

into  dev3-76.dev.cn.tlan:/home/dli/mysql/mysql-5.1/mysql-5.1-bug-20395

add judgement to avoid NULL pointer's operation(segmentaion fault)

into  dev3-76.dev.cn.tlan:/home/dli/mysql/mysql-5.0/mysql-5.0-bug-20395

into  dev3-76.dev.cn.tlan:/home/dli/mysql/mysql-5.1/mysql-5.1-bug-20395

into  dev3-138.dev.cn.tlan:/home/zhl/mysql/mysql-5.1/bug21799

into  dev3-138.dev.cn.tlan:/home/zhl/mysql/mysql-5.0/bug21799

          the following start, stop and restart operations aren't execute correctly

into  dev3-127.(none):/mnt/mysql/home/ngb/mysql-5.1/mysql-5.1-bug21530

into  dev3-127.(none):/mnt/mysql/home/ngb/mysql-5.0/bug21530

          almost useless for any kind of shell script automation.
          Now add the return value that indicates the execution whether or not success 
          for many methods.

into  dev3-138.dev.cn.tlan:/home/zhl/mysql/mysql-5.1/bug19787

BUG#19787 Modify correct message when some important variables are changed but cannot be applied by online

Data node is not allowed to get added in the cluster when it is in single user mode.

into  dev3-127.(none):/mnt/mysql/home/ngb/mysql-5.1-bug21033

into  dev3-138.dev.cn.tlan:/home/zhl/mysql/mysql-5.1/bug21128

into  dev3-138.dev.cn.tlan:/home/zhl/mysql/mysql-5.0/bug21128

into  dev3-76.dev.cn.tlan:/home/dli/mysql/mysql-5.1/mysql-5.1-bug-21345

into  dev3-76.dev.cn.tlan:/home/dli/mysql/mysql-5.0/mysql-5.0-bug-21345

Fixed the cluster logfile rotation code, let the cluster logfile be renamed correctly when the main logfile exceeds the configured maximum size.

into  dev3-76.dev.cn.tlan:/home/dli/mysql/mysql-5.1/mysql-5.1-bug-21345

into  dev3-76.dev.cn.tlan:/home/dli/mysql/mysql-5.0/mysql-5.0-bug-21345

into  dev3-76.dev.cn.tlan:/home/dli/mysql/mysql-5.0/mysql-5.0-ndb-bj

into  dev3-76.dev.cn.tlan:/home/dli/mysql/mysql-5.1/mysql-5.1-ndb-bj

into  dev3-127.(none):/mnt/mysql/home/ngb/mysql-5.1-bug19873

into  dev3-127.(none):/mnt/mysql/home/ngb/bug19873

into  dev3-127.(none):/mnt/mysql/home/ngb/mysql-5.1-ndb-bj