v0.121.0

• 0.121.0 (3e1e045)
• Chore: Add console logging to better debug hanging preview (#93) (3e6299b)
• Chore: Bundling Annotators separately in annotations.js (#75) (efa8b2a)
• Chore: Do not load annotations on shared links (#88) (8b959cd)
• Chore: Removed underscored variables and getters from all annotation files (#83) (ac838d2)
• Chore: User agent refactor and Browser tests (#87) (059f6ac)
• Fix: Don't load preload if the rep has an error (#92) (ab5c65a)
• Fix: Ensuring annotations are loaded when viewer has permissions (#90) (b90cdde)
• Update: Document viewer optimizations (#89) (41560d6)
• Upgrade: Shaka Player 2.0.8 (#85) (461070d)