Speaker cards

[ninabreznik]

@todo

• speaker card design
  • variant A (local speakers)
  • variant B (remote speakers)
• speaker card css implementation
• change title from Wizards to Speakers on the webpage
• fill out the speaker cards wiith real speakers and talks (@serapath can you do that or provide the info to Toshi)

[serapath]

Could we have two type of speaker cards (for local + for remote)?