The offical GNOME 3.18 release notes can be found at
https://help.gnome.org/misc/release-notes/3.18/

This update doesn't contain the glib/gtk c++ bindings which will
be done in a another update due to the requirement on c++11 and the
amount of fallout this probably will give.

GDM is still at version 3.16 due to some issues.

Bump mate-themes to use the gtk 3.18 version of the themes.

Thanks to Antoine Brodin for running the exp-runs.

This release was made possible by the following people:
  Gustau Perez
  Ting-Wei_Lan

PR:	207006

The offical GNOME 3.16 release notes can be found at https://help.gnome.org/misc/release-notes/3.16/

Upgrade instructions for port users:

Delete the old tracker package with:
# pkg delete -f tracker
And user port upgrade tool of choice to upgrade.

Thanks to Antoine Brodin for running the exp-runs.

This release was made possible by the following people:
  Gustau Perez
  Ting-Wei_Lan

PR:		201980