Updated UI elements, notes text size control

Following a round of great feedback from OctoCue users running virtual events recently, we've updated the presenter clicker, show control & backend services of OctoCue:

Presenter clicker

• Introduced new wakelock system, replacing older screen timeout prompts
  This will prevent devices from sleeping while using OctoCue, but can be disabled using menu option. Supports Chrome (v84+) and Safari (iOS v10+).
• Advanced link options updated and extended, including ability to set notes text size and default presenter view
• Presenter link builder Google Sheet updated to match new link options - now at v2.2
• Fixed issue on Safari where special characters in names caused cookie error

Show control

• Updated menu bar to show account email address instead of name
• Subscriptions page now context-sensitive
• Re-worked menu system for greater clarity

Backend services

• Upgraded logging and debug tools