Update Venue description
Add speakers intro text
Add contact intro text
Update Matz description text
Add about section
Change width and max-width in venue
Change speakers more info link to paragraph
Disable venue more info link
Remove committee from the title
Update contributor names
Link "help us" to contact section
Update news section
Break committee members into 2 lines
Fix circles besides contributors names
Link sponsors brochure to sponsors page
Merge remote-tracking branch 'origin/update_copy'