document contexts and modify documentation for other interface changes

[bsherin]

• Library
  • [ ] context changes
  • [ ] associated account info changes
• Everywhere
  • [ ] tactic-wide use of menu bars
• Project
  • [ ] icon to shrink/hide table in project menu bar
• Notebooks
  • [ ] Menus
  • [ ] Dividers
• Tile Creator
  • [ ] Divider options
  • [ ] Search?
• API
  • [x] dynamic options

[bsherin]

done