Properly check for async events related to capture
Lostpointercapture for disconnected node
setPointerCapture() on disconnected node throws InvalidStateError
Merge pull request #1245 from scottgonzalez/async-capture

Properly check for async events related to capture
Merge pull request #1260 from scottgonzalez/setpointercapture-disconnected

setPointerCapture() on disconnected node throws InvalidStateError
Merge pull request #1259 from scottgonzalez/lostpointercapture-disconnected

Lostpointercapture for disconnected node
Seperate the host that the server is bound to from the one that's passed in to .py scripts for setups with a proxy.
Merge pull request #1268 from w3c/jgraham/external_server

Seperate the host that the server is bound to from the one that's exposed in the frontend