Twitter Cards support

Upgrade EmojiOne to 2.2.7

for local attachments, use them in URLs. Check status privacy
before redirecting to actual file.

Adds support for, among other things, 🏳️‍🌈

Prevent duplicate desktop notifications

Revert "Display native emoji on browsers which support it"

Use system fonts on more platforms

Display native emoji on browsers which support it

Public timeline de-hoist

Differentiate settings links

Automatically position cursor when writing a reply toot

This allows other platforms such as Windows, macOS and iOS to use their system fonts rather than downloading a copy of Roboto. It also makes the app feel a little closer to native on those platforms!

The "settings" links in the Getting Started section (or, if #399 were to happen, "more" menu) and compose sections are now different; the "compose" link is "Edit profile," while the one in the Getting Started section is now "Preferences."

All languages have been updated to accommodate this, based on the existing usages of these phrases in language files in the Rails part of the app!

addresses part of #384

"Reblog" -> "boost" in more places

Don't render the media list when there's no media

Friendlier unknown errors

Fix Command-enter tooting

Don't ask users to check the console - if they're on mobile, they probably can't anyway ;)

metaKey is only set correctly on keyDown, not keyUp, so this swaps to using that

This stops the empty compose view from scrolling on 4-inch devices.

A couple of places were using "reblog" rather than "boost" - this updates them to match the web UI

Improve experience on 4-inch phones

Removes extra UI margins < 360px, and allows the tab bar to scroll. Also slightly improves horizontal scrolling behaviour on desktop.

Reduce height of media query to hide avatar/bio

Reduce height of media query to hide avatar/bio

An additional selector was provided to make the bio only hide on the timeline and not on the user page itself.

Catchup merge

On file-drag, show a border around textarea