CoglTexture2DSliced: Handle TEXTURE_RECTANGLE_ARB
CoglTexture2DSliced: Handle TEXTURE_RECTANGLE_ARB

In _cogl_texture_2d_sliced_foreach_sub_texture_in_region(), don't
assert that the target is GL_TEXTURE_2D; instead conditionalize
normalization on the target.

http://bugzilla.openedhand.com/show_bug.cgi?id=2015

djdeath/clutter,collects/clutter,djdeath/clutter-android,jigpu/clutter,djdeath/clutter-multithreaded,rkudiyarov/clutter_osx,nobled/clutter,heysion/clutter-clone,heysion/clutter-clone,kerrickstaley/clutter-vala,Distrotech/clutter,heysion/clutter-clone,ebassi/clutter,collects/clutter,jigpu/clutter,GNOME/clutter,GNOME/clutter,heysion/clutter-clone,collects/clutter,djdeath/clutter-multithreaded,djdeath/clutter-android,nobled/clutter,ebassi/clutter,rkudiyarov/clutter_osx,Distrotech/clutter,djdeath/clutter-android,heysion/clutter-clone,Distrotech/clutter,collects/clutter,Distrotech/clutter,spatulasnout/clutter,rkudiyarov/clutter_osx,djdeath/clutter,spatulasnout/clutter,Distrotech/clutter,spatulasnout/clutter,djdeath/clutter,GNOME/clutter,dlespiau/clutter,djdeath/clutter,dlespiau/clutter,ebassi/clutter,GNOME/clutter,djdeath/clutter,rkudiyarov/clutter_osx,kerrickstaley/clutter-vala,kerrickstaley/clutter-vala,jigpu/clutter,collects/clutter,kerrickstaley/clutter-vala,dlespiau/clutter,spatulasnout/clutter,jigpu/clutter,djdeath/clutter-android,djdeath/clutter-multithreaded,nobled/clutter,djdeath/clutter-multithreaded,ebassi/clutter,djdeath/clutter-android,ebassi/clutter,jigpu/clutter,jigpu/clutter,GNOME/clutter,spatulasnout/clutter,djdeath/clutter,Distrotech/clutter