2.2.0

• New icons for the milestones: warning if cutoff, normal if not.
• New milestones added
• All milestones are emphasized in the timeline
• Items in the timeline are clickable and lead to the item's page
• Past items in the timeline are stroke-through

2.1.0

• Re-implemented permalinks for all events and milesontes (link on event/milestone's title)
• Added more info about the Lightning Talk 1
• Added Kick-Off Slides