Use ResizeObserver when available for better and more performant resizing information, otherwise, fall back to a throttled resize event on an iframe that's the size of the player.
Allows a video.js user to disable this by setting resizeManager: false as an option since the component will not be initialized.
Add a debounce util.
This reverts #4800 (e0ed0b5) because we end up getting two playerresize events with the dimension methods now.
Broke out bind, guid, and element data functions from Lib
Separated out more dom functions in to dom.js
Broke out URL functions into url.js
Removed setLocalStorage since it wasn't being used
Moved browser tests out of lib
Moved log functions into their own file
Removed trim() since it wasn't being used
Moved formatTime into its own file
Moved round into its own file and renamed roundFloat()
Moved capitalize into its own file and renamed as toTitleCase()
Moved createTimeRange into its own file
Removed Lib.arr.forEach infavor of the native forEach
Removed Lib.obj.create in favor of native Object.create (ES6-sham)
Removed obj.each in favor of native Object.getOwnPropertyNames().forEach()
Removed obj.merge and copy. Using lodash.assign instead.
Replaced Lib.obj.isPlain with lodash.isPlainObject
Removed Lib.obj.isArray in favor of the native Array.isArray
Also removed the lib.js tests file as all tests have been moved
or removed.
Removed Lib.isEmpty in favor of !Object.getOwnPropertyNames().length
Switched Util.mergeOptions and deepMerge to use new mergeOptions()
Moved Lib.TEST_VID to Html5.TEST_VID
Removed Lib references everywhere. Woo!
Attempting to fix sourcemap test errors by setting grunt-browserify version
Switched to object.assign from lodash.assign
Removed unused 'inherits' dependency
Reorganzied test files and added '.test' to file names
Combined js/core.js and js/video.js
Moved events.js into the utils directory
