added IE10 flex support check

added display: none; to fix the custom spacer in ie8

fixes #2117

Small fix sandbox example file instructions

--skip-ci

IE8 compatiblity fixes - Babel loose mode and ES5-shim

Reverted to old isPlainObject to fix IE8

Lodash.isplainobject was throwing a "Member not found error" on elements,
specifically the 'custom' track element being passed in options.

(turned out to be that we were using lodash modern, not compat)

Fixed full-window mode in IE8 by fixing fullscreen API check

Fixed the swf events by creating the object in component.createEl
fixes #2184

Added es5 shim and sham to the sandbox example
related to #1687

closes #1667

Fix text track tests.
Now that ready is async, we need to tick the clock so the ready handler
fires.

Remove unneeded ready test

Use primary code ('en') if specific code ('en-us') doesn not match
Always re-merge languages

closes #2177

Updated language function to lowercase internally

Updated component.localize to not require stubbing

closes #2132

removed slider handle classes

Got rid of left-over handle styles

Preparing to export utility functions on the videojs object

closes #2182

Change el() to getEl() for consistency

Cleaned up DOM functions library

Clean up and document videojs object API

Fixed mergeOptions to modify the first object instead of a copy

More cleanup of the main video.js file and documentation

Fixed issues with mergeOptions

Cleaned up the addLanguage function

Removed unnecessary underscores in private module vars

closes #2166
closes #2126

this.tech.emitTapEvents(); should be handled by the tech

De-dupe the bufferedPercent code in both Tech and Player

Have the player generate the tech ID

Added autoplay/preload/loop/muted to tech option

Remove the watch for native timeupdates

Fixed the JSDoc for bufferedPercent

Removed the unit test for native timeupdate

Added cute whitespaces

buffer should always return a TimeRange