Merge branch 'master' into opengl3.3
Conflicts: doomsday/libgui/include/de/gui/libgui.h doomsday/libgui/src/graphics/glframebuffer.cpp doomsday/libgui/src/graphics/gltarget.cpp
Merge branch 'master' into opengl3.3
Conflicts:
doomsday/libgui/include/de/gui/libgui.h
doomsday/libgui/src/graphics/glframebuffer.cpp
doomsday/libgui/src/graphics/gltarget.cpp