add planet and foresee; correct some URLs and names (linkerd#1870)

Signed-off-by: William Morgan <[email protected]>

ADOPTERS.md

@@ -7,16 +7,18 @@ These organizations are publicly using Linkerd in production:
 - [CreditKarma](https://www.creditkarma.com/)
 - [Douban](https://www.douban.com)
 - [Expedia](https://www.expedia.com/)
-- [FOX Sports](https://www.foxsports.com/)
+- [ForeSee](https://www.foresee.com/)
+- [FOX](https://www.fox.com/)
 - [Houghton Mifflin Harcourt](https://www.hmhco.com)
 - [Medallia](https://www.medallia.com)
 - [Monzo](https://monzo.com)
 - [NCBI](https://www.ncbi.nlm.nih.gov)
 - [NextVR](https://nextvr.com)
 - [Olark](https://www.olark.com)
 - [PayPal](https://www.paypal.com/)
+- [Planet Labs](https://www.planet.com/)
 - [Salesforce](https://www.salesforce.com/)
-- [Strava](https://wwwstrava.com/)
+- [Strava](https://www.strava.com/)
 - [Taboola](https://www.taboola.com/)
 - [UserZoom](https://www.userzoom.com/)
 - [Zooz](https://www.zooz.com/)