Bug 1073103 - Rename ThebesLayer to PaintedLayer. r=roc

--HG--
rename : gfx/layers/basic/BasicThebesLayer.cpp => gfx/layers/basic/BasicPaintedLayer.cpp
rename : gfx/layers/basic/BasicThebesLayer.h => gfx/layers/basic/BasicPaintedLayer.h
rename : gfx/layers/client/ClientThebesLayer.cpp => gfx/layers/client/ClientPaintedLayer.cpp
rename : gfx/layers/client/ClientThebesLayer.h => gfx/layers/client/ClientPaintedLayer.h
rename : gfx/layers/client/ClientTiledThebesLayer.cpp => gfx/layers/client/ClientTiledPaintedLayer.cpp
rename : gfx/layers/client/ClientTiledThebesLayer.h => gfx/layers/client/ClientTiledPaintedLayer.h
rename : gfx/layers/composite/ThebesLayerComposite.cpp => gfx/layers/composite/PaintedLayerComposite.cpp
rename : gfx/layers/composite/ThebesLayerComposite.h => gfx/layers/composite/PaintedLayerComposite.h
rename : gfx/layers/d3d10/ThebesLayerD3D10.cpp => gfx/layers/d3d10/PaintedLayerD3D10.cpp
rename : gfx/layers/d3d10/ThebesLayerD3D10.h => gfx/layers/d3d10/PaintedLayerD3D10.h
rename : gfx/layers/d3d9/ThebesLayerD3D9.cpp => gfx/layers/d3d9/PaintedLayerD3D9.cpp
rename : gfx/layers/d3d9/ThebesLayerD3D9.h => gfx/layers/d3d9/PaintedLayerD3D9.h
Bug 1073103 - SReplace 'Thebes' with 'Painted' in some more places. r=roc