change the git clone URL (#2179)
change the git clone URL (#2179)

change " git clone git@github.com:aframevr/aframe.git" to "git clone https://github.com/aframevr/aframe.git"
darkwing/aframe,fernandojsg/aframe,aframevr/aframe,aframevr/aframe,wizgrav/aframe,wizgrav/aframe,mkungla/aframe,darkwing/aframe,weddingdj/aframe,RSpace/aframe,dmarcos/aframe,ngokevin/aframe,fernandojsg/aframe,googlecreativelab/aframe,jaxmolina/ar,mkungla/aframe,RSpace/aframe,weddingdj/aframe,jaxmolina/ar,ngokevin/aframe,googlecreativelab/aframe,chenzlabs/aframe,dmarcos/aframe,chenzlabs/aframe