[PATCH] mysqlreport update to version 4.0

This pull has already been done on the Otto fork in october : ottok/mariadb-10.0#28
The latest official Debian testing package (10.0.23-1) has this PR incorported as well.

See https://mariadb.atlassian.net/browse/MDEV-573 for more extensive details about the modifications that includes bugfixes (amongst other things : warnings are shown on execution of the old version of mysqlreport on MySQL/MariaDB 5.5 and newer), many useful informations/stats has been added about Aria, TokuDB and XtraDB engine specific stats.
The output should now be easier to read and with some value truncation and alignment issues fixed.

Please note that mysqlreport isnt maintained anymore by its original developer Daniel Nichter since january 2015 : http://blog.codenode.com/2015/01/hack-mysql-has-been-retired.html