fixes the slowness bug

tried to open up a few websites, no issues

I see this during update:

Re-declaration of type udisks2_t
Failed to create node
Bad type declaration at /var/lib/selinux/targeted/tmp/modules/100/udisks2/cil:1
/usr/sbin/semodule:  Failed!

testcloud seems to work, which should use these libraries

no issues spotted in a few basic operations

my VPN seems to work fine

tried some basic commands, seems to work

abrt detected an error and reported it into bugzilla, seems to work

gtk3 3.21.5 broke displaying drop-down lists in gnome-control-center: https://bugzilla.gnome.org/show_bug.cgi?id=771117

gtk3 3.21.5 broke displaying drop-down lists in gnome-control-center: https://bugzilla.gnome.org/show_bug.cgi?id=771117

the new gtk3 breaks window sizes: https://bugzilla.gnome.org/show_bug.cgi?id=771112

fixes chrome's update issue

@cairo: I noticed you only give +1's to updates, with no comments. Please always provide a feedback, say what you've tested. Doesn't have to be long, but it helps the maintainer to decide whether it's been sufficiently covered. Thanks.

my networks connected fine

sphinx documentation of taskotron project builds and renders fine

no issues spotted

seems to be working for my VMs

seems solid now

also, if you downgrade just gtk3, then keyboard input is broken in virt-manager on repeated VM starts. you need to downgrade mutter as well. which means gtk3 package can't be simply removed from this update.