Mesa 13.0.6 and Mesa 17.0.2 are released

Mesa 13.0.6 and Mesa 17.0.2 are released. These are bug-fix releases from the 13.0 and 17.0 branches, respectively.

Note
It is anticipated that 13.0.6 will be the final release in the 13.0 series. Users of 13.0 are encouraged to migrate to the 17.0 series in order to obtain future fixes.