remove material dependency from obj-model component (fixes #2464) (#2696)
remove material dependency from obj-model component (fixes #2464) (#2696)


dmarcos/aframe,wizgrav/aframe,darkwing/aframe,chenzlabs/aframe,darkwing/aframe,googlecreativelab/aframe,weddingdj/aframe,weddingdj/aframe,aframevr/aframe,jaxmolina/ar,RSpace/aframe,ngokevin/aframe,jaxmolina/ar,dmarcos/aframe,RSpace/aframe,wizgrav/aframe,mkungla/aframe,aframevr/aframe,ngokevin/aframe,chenzlabs/aframe,googlecreativelab/aframe,mkungla/aframe