am 451d68d5: am 250678ad: am cb20616a: am d8f6253e: Merge "When ensuring screen exists, make sure it\'s actually referring to a screen, not a rank" into ub-now-porkchop

* commit '451d68d50ef7ceac4c96fb66333dff54e5cd34f2':
  When ensuring screen exists, make sure it's actually referring to a screen, not a rank