Fix a crash that affects some gtk apps, specially nautilus when opening
a second tab.

[1] https://bugzilla.gnome.org/show_bug.cgi?id=727643


git-svn-id: svn://creme-brulee.marcuscom.com/ports-experimental/trunk@19452 df743ca5-7f9a-e211-a948-0013205c9059
Update gtkmm30 to 3.11.10. Strip the installed libs.


git-svn-id: svn://creme-brulee.marcuscom.com/ports-experimental/trunk@19453 df743ca5-7f9a-e211-a948-0013205c9059
Bring in the mp3 and ogg gstreamer1 plugins. Without them the gnome-music
is useless.


git-svn-id: svn://creme-brulee.marcuscom.com/ports-experimental/trunk@19454 df743ca5-7f9a-e211-a948-0013205c9059