Disable progress bar when prompting

Can’t tell for sure if it works, but it ought to
Export FastClick to all clients

Remove the 300ms click delay on mobile web browsers in addition to Cordova builds. FastClick will ignore desktop browsers.
spawn, don't own, android tool for configure-android

Probably should actually depend on which command we run
Start android emulator earlier in the run process
Link adb logcat to parent stdout/stderr
Add note that USE_GLOBAL_ADK is not currently supported
Preserve --mobile-server setting across hot code pushes.

The server sends hot code push updates to mobile clients with ROOT_URL
and DDP_DEFAULT_CONNECTION_URL taken from the MOBILE_ROOT_URL and
MOBILE_DDP_URL environment variables. These are set by the main meteor
process when it starts the app runner.
Add test for --mobile-server propagating through hot code pushes