EXT-1901 Add color inventory icons, remove old art, add references to new art

...a/newview/skins/default/textures/icons/Generic_Object.png

indra/newview/skins/default/textures/icons/Info_Over.png

indra/newview/skins/default/textures/icons/Inv_Animation.png

indra/newview/skins/default/textures/icons/Inv_BodyShape.png

indra/newview/skins/default/textures/icons/Inv_Clothing.png

indra/newview/skins/default/textures/icons/Inv_Eye.png

...newview/skins/default/textures/icons/Inv_FolderClosed.png

...a/newview/skins/default/textures/icons/Inv_FolderOpen.png

indra/newview/skins/default/textures/icons/Inv_Gesture.png

indra/newview/skins/default/textures/icons/Inv_Gloves.png

indra/newview/skins/default/textures/icons/Inv_Hair.png

indra/newview/skins/default/textures/icons/Inv_Jacket.png

indra/newview/skins/default/textures/icons/Inv_Landmark.png

indra/newview/skins/default/textures/icons/Inv_Notecard.png

indra/newview/skins/default/textures/icons/Inv_Object.png

indra/newview/skins/default/textures/icons/Inv_Pants.png

indra/newview/skins/default/textures/icons/Inv_Script.png

indra/newview/skins/default/textures/icons/Inv_Shirt.png

indra/newview/skins/default/textures/icons/Inv_Shoe.png

indra/newview/skins/default/textures/icons/Inv_Skin.png