Remaining 1.2.0 redeploy items

[pixelzoom]

1.2.0 has been deployed to the PhET website.

Remaining items:

• [x] Rosetta test (Opening sim to trusted translators for beta)
• [x] Check teacher tips are up to date
• [ ] Check sim primer is up to date

[ariel-phet]

@amyh-phet this sim could use updated teacher tips. Could you work on that?

[amyh-phet]

@ariel-phet Happy to work on this. This is next up for a primer too.

[ariel-phet]

@amyh-phet ping on Teacher tips? did this get done?

[amyh-phet]

@ariel-phet Teacher tips are updated.

[ariel-phet]

Coolio, closing as sim primer is dealt with in other issues.