Post-branch version bump
EogImage: Check GdkPixbuf for an ICC profile before falling back to sRGB

If an image's ICC profile cannot be extracted check whether GdkPixbuf
was able to extract one before falling back to sRGB. This makes it
possible to color correct TIFF images.

https://bugzilla.gnome.org/show_bug.cgi?id=727467
Drop gnome-icon-theme dependency

gnome-icon-theme got renamed to adwaita-icon-theme. And the
dependency is not really needed; depending on GTK+ should be
enough to guarantee the presence of a spec-compliant icon
theme.

https://bugzilla.gnome.org/show_bug.cgi?id=729018