upgrade gnome-documents 3.7.3 -> 3.7.4
import and adopt xfce4-dev-tools
import and adopt xfce4-volumed
import and adopt keybinder 0.3.0
add keybinder recipe
allow rc builds of evince. upgrade evince 3.6.0 -> 3.7.4
allow rc builds of gtk3. upgrade gtk3 3.6.4 -> 3.7.6
update evince 3.7.4 deps
import, adopt, and upgrade c-icap 0.1.6 -> 0.2.5
libicap soname 0 -> 2
libicap2 replaces and conflicts libicap0