Another MS Edge fix for the controls

- YouTube fix for when there are other embeds on the page (thanks @aF…

…arkas)

-   Separated demo dependencies into their own package.json
-   Fix for Edge controls flexbox issue when resizing the player (thanks Nick Hawk via Slack)
-   More aspect ratio fixes

- Added: Set download URL via new setter

-   Improvement: The order of the `controls` option now effects the order in the DOM - i.e. you can re-order the controls - Note: this may break any custom CSS you have setup. Please see the changes in the PR to the default SASS
-   Fixed issue with empty controls and preview thumbs
-   Fixed issue with setGutter call (from Sentry)
-   Fixed issue with initial selected speed not working
-   Added notes on `autoplay` config option and browser compatibility
-   Fixed issue with ads volume not matching current content volume
-   Fixed race condition where ads were loading during source change
-   Improvement: Automatic aspect ratio for YouTube is now supported, meaning all aspect ratios are set based on media content - Note: we're now using a different API to get YouTube video metadata so you may need to adjust any CSPs you have setup
-   Fix for menu in the Shadow DOM (thanks @emielbeinema)

- Improved the usage of the `ratio` config option; it now works as ex…

…pected and for all video types. The default has not changed, it is to dynamically, where possible (except YouTube where 16:9 is used) determine the ratio from the media source so this is not a breaking change.

-   Added new `ratio` getter and setter
-   Fix: Properly clear all timeouts on destroy
-   Fix: Allow absolute paths in preview thumbnails
-   Improvement: Allow optional hours and ms in VTT parser in preview thumbnails

- Fixed issue where the preview thumbnail was present while scrubbing

- Fixed build issues with babel and browserslist

- Preview seek/scrubbing thumbnails (thanks @jamesoflol)

-   Fixes for proxy listeners (thanks @gurupras)
-   Fix for buffer progress transition on WebKit (thanks @samuelgozi)
-   Fix for error when mime type not specified (fixes sampotts#1274)
-   Support YouTube noCookie (thanks Omar Khatib)
-   Add Angular plugin reference (thanks @smnbbrv)
-   Use `Math.trunc` instead of `parseInt` (thanks @taion)
-   Many fixes for fullscreen in embedded players with non 16:9 screens or videos
-   Added 'force' fallback option for fullscreen
-   [RangeTouch](https://rangetouch.com) is now bundled with Plyr as a dependency to fix the scrubber on touch devices

- Calling customized controls function with proper arguments (thanks @…

…a60814billy)

- Fix for Vimeo fullscreen with non native aspect ratios (fixes sampo…

…tts#854)

- Added picture-in-picture support for Chrome 70+

-   Fixed issue with versioning the SVG sprite in the gulp build script