remove dist step from travis, keep build step (#1813)
remove dist step from travis, keep build step (#1813)


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