MariaDB 5.2.7 for windows is big change.

In yesterday, MariaDB 5.2.7 has been released. For POSIX, this release is minor release. But. for windows, this release is almost major release with three things.

1. Upgrading wizard for existing MariaDB windows services.
   
2. HeisiSQL is bundled as Defualt client for Windows MariaDB.
   
3. Default my.ini is in "MariaDB installation directory\data\my.ini".