Added camera preset art and attached to camera controls

...skins/default/textures/bottomtray/Cam_Preset_Back_Off.png

.../skins/default/textures/bottomtray/Cam_Preset_Back_On.png

.../skins/default/textures/bottomtray/Cam_Preset_Eye_Off.png

...kins/default/textures/bottomtray/Cam_Preset_Front_Off.png

...skins/default/textures/bottomtray/Cam_Preset_Front_On.png

...skins/default/textures/bottomtray/Cam_Preset_Side_Off.png

.../skins/default/textures/bottomtray/Cam_Preset_Side_On.png

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

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

indra/newview/skins/default/textures/textures.xml

indra/newview/skins/default/xui/en/floater_camera.xml