MIL-489 show the yaml image instead of youtube img. Still need to change js from jQuery to Angular
MIL-489 use image from YAML for YouTube poster
MIL-489 lint failed because comment line was too long, fixed
MIL-489 fix the flash of two images showing up before JS loads
MIL-489 formatting
MIL-489 DRY up the media players, blitline start
merged