Parrot v0.7-alpha

And again, another major update!

• Redesigned the Conversations and Messages header UI.
• Added a half-working Directory UI.
• Added support for sending images in addition to plain text.
• Replaced automatic event fetching with a manual button (due to some scrollback issues).
• Higher performance list UI element.
• Preferences are dead, unfortunately, and a fix is coming in v0.8-alpha.
• Focus indicator that dims when the person isn't looking at the conversation.
• Directory shows "Last Seen" and "Status" for each person.
• Contact cards from the Directory and Messages UI.
• And a lot more...