Elementor Pro 3.21.1

#### 2017-09-05 v1.7.1
* Fix! - Facebook SDK version

#### 2017-09-05 v1.7.0
* New! - Added Facebook Button widget for Like, Recommend, Share and Follow
* New! - Added Facebook Embed widget for Post, Video and Comment
* New! - Added Facebook Comments widget
* New! - Added Facebook Page widget (Previously known as Like Box)
* New! - Added Blockquote widget with Tweet button
* Tweak! - Added Facebook SDK integration for all Facebook widgets
* Fix! - Animated headline rotating with long words

* Fix! - Animated Headline marker gets in front of neighboring spans even when "Bring to Front" is not set
* Fix! - Stroke animation in Animated Headline for MS Edge browser
* Fix! - Animated headline with more than 1-word per rotation
* Fix! - Animated Headline in two lines
* Fix! - Some errors in Global widget

* New! - Added Animated Headline widget
* New! - Added Hidden filed for Forms widget
* Tweak! - Added notice to update Elementor to v1.6.5 or higher
* Fix! - CSS Animations names no longer minified, in order to prevent unexpected conflicts