Audit startup time impact

[nathansobo]

Saw this today:

Since we won't be bundling this package initially, it may be worth looking into how to minimize its impact on startup time.

[jasonrudolph]

Good point. I suspect the network requests are the major contributors to the startup time:

[jasonrudolph]

I suspect the network requests are the major contributors to the startup time

If we postpone the protocol version check until the user interacts with the popover (as suggested in #137), these network requests wouldn't impact the startup time.

[jasonrudolph]

Closing in favor of #201.

[50Wliu]

Sorry! Didn't think of searching issues because of how new this package was :/.