gtk3 + webkit

[Bill Nottingham]

John Ralls (jralls at ceridwen.us) said: 
> Geert noted in IRC that
> https://bugzilla.redhat.com/show_bug.cgi?id=1375812 indicates that we need
> to lose the dependency on WebKit1 ASAP, as Fedora intends to drop it from
> distribution in F27.  As Geert notes, WebKit2 is Gtk3-only.  Note, though,
> that on the bug Bill Nottingham suggests that he might flatpack WebKitGtk1
> and request a waiver, and Catanzaro seems to receive that well enough.

In terms of Fedora/EPEL - yes, I'll just bundle in webkitgtk as needed for
2.6.x, and maybe look at flatpak if I get the spare time to do so.

Bill