virt-viewer: added missing dependency icoutils.
Revert "virt-viewer: added missing dependency icoutils."

This reverts commit 2a6f6c8037aae27ed494593bacf781e056ca12f8.
virt-viewer: added missing dependency icoutils.
Merge remote-tracking branch 'upstream/master'
usbredir: new package.
spice-gtk: added some new dependencies.
Merge pull request #376 from KrullKorg/master

New package usbredir; some adjustments on spice-gtk and virt-viewer.