menu bar save messaging; self-dismissing alerts

Add exponential backoff for cloud provider.

Move URL query string handling into an HOC

export remixProject reducer function

more font options for creator, besides only "Helvetica Neue"

moved z-index of alerts down around modal, loader levels

This will work better if there are other query string options that need to be handled later. It also handles the distinction between ‘all’ and the other tutorials better.

Update chromedriver to the latest version 

Uses randomized duration between [0, 2^k-1] where k is the connection attempt number, maxed out at 5.

I had to rework the tests quite a bit to make this easy to test, to work around the timeouts and the randomization.

Update chromedriver to the latest version 

project-watcher can request eventual callback, or immediately call ca…

Update scratch-vm to the latest version 

Remove the hideIntro override and default preview modal to false

Support multiple commands from cloud data server

Fixing library item height stretch only for extensions.

Progress toward #2389 and #2390.  This puts the right options in the …

saving, creation errors use alerts; alerts css improvements