Restore Wayland compatibility.

It was broken by e15ec56bf0237 because it wasn't deemed important. However chances are people will eventually start using Dolphin on that configuration, so we shouldn't frivolously drop compatibility without good reason.
UnitTests: Disable VertexLoader tests if EGL is enabled.

Interface design issues prevent this test from linking correctly. Until this issue is resolved, we'll disable the tests for now.
Merge pull request #737 from neobrain/master

Restore Wayland compatibility.