- built in fullwidth styling
 - letterbox settings toggle
 - media no longer counts towards height when making toot-collapsing
measurements

- Media toots are no longer auto-collapsed if the media is behind a CW
- Display names no longer appear clickable when a toot is collapsed
- Fixed #36 by adding reduplicating the media icon inside the SHOW
MORE/LESS

ref #3929, #3935, #3949, #3981

Signed-off-by: Marcin Mikołajczak <me@m4sk.in>

* Use instance name in "password changed" mail

instead of "Mastodon".

Fixes tootsuite#2620.

* Use instance name in password reset mail

instead of "Mastodon".

* feat(components/media_gallery): Responsive images

* fix(components/media_gallery): Link to image URL

* Update @storybook/addon-actions to v3.1.6

* Update @storybook/react to v3.1.6

* Update babel-loader to v7.1.0

* Update babel-plugin-transform-react-remove-prop-types to v0.4.6

* Update enzyme to v2.9.1

* Update fsevents to v1.1.2

* Update intersection-observer to v0.3.2

* Update npmlog to v4.1.2

* Update pg to v6.4.0

* Update postcss-loader to v2.0.6

* Update rails-ujs to v5.1.2

* Update react to v15.6.1

* Update react-addons-shallow-compare to v15.6.0

* Update react-dom to v15.6.0

* Update react-notification to v6.7.1

* Update react-test-renderer to v15.6.1

* Update react-textarea-autosize to v5.0.7

* Update redux to v3.7.1

* Update resolve-url-loader to v2.1.0

* Update sass-loader to v6.0.6

* Update sinon to v2.3.5

* Update stringz to v0.2.2

* Update uuid to v3.1.0

* Update websocket.js to v0.1.12

* Update yargs to v8.0.2

* yarn upgrade