glib-2.0: mark Thread.set_priority and Thread.foreach as deprecated
glib-2.0: mark Thread.set_priority and Thread.foreach as deprecated

frida/vala,Distrotech/vala,frida/vala,Distrotech/vala,playya/vala,spidermonkdust/vala,xdave/pvala,frida/vala,GNOME/vala,spidermonkdust/vala,playya/vala,rvu95/vala,flobrosch/vala-fixes,playya/vala,rvu95/vala,GNOME/vala,frida/vala,GNOME/vala,frida/vala,GNOME/vala,flobrosch/vala-fixes,spidermonkdust/vala,rvu95/vala,flobrosch/vala-fixes,Distrotech/vala