make README more accessible; simplify, move sections around (related to #661)
make README more accessible; simplify, move sections around (related to #661)
dmarcos/aframe,MatthewShotton/aframe,jzitelli/aframe,googlecreativelab/aframe,jaxmolina/ar,fernandojsg/aframe,wizgrav/aframe,msimpson/aframe,aframevr/aframe,MatthewShotton/aframe,aframevr/aframe-core,wizgrav/aframe,chenzlabs/aframe,RSpace/aframe,googlecreativelab/aframe,ngokevin/aframe,jzitelli/aframe,weddingdj/aframe,msimpson/aframe,darkwing/aframe,aframevr/aframe-core,RSpace/aframe,weddingdj/aframe,ngokevin/aframe,dmarcos/aframe,mkungla/aframe,fernandojsg/aframe,darkwing/aframe,jaxmolina/ar,chenzlabs/aframe,aframevr/aframe,mkungla/aframe