Log Message:
Update eel to 2.26.0.

NOTE: This is the final release of eel. The eel codebase has been
moved into nautilus and all further changes will happen there.

Major changes in 2.26.0 were:
* Stable release

Major changes in 2.25.91 were:
* Backport changes from nautilus
* Require gnome-desktop >= 2.25.5 for new gnome-bg

Major changes in 2.25.1 were:
* Remove dependency on libgnome