Add box to widget control, when a widget preview is click.
Adds effects to editing widgets, border effect on control hover, and scrolls to widget on input click.
Update widget-customizer-preview.js
Update widget-customizer.js
Merge remote-tracking branch 'upstream/master'

Conflicts:
	widget-customizer.css
	widget-customizer.js
Merge branch 'master' of https://github.com/rfvcorreia/wp-widget-customizer

Conflicts:
	widget-customizer-preview.js
	widget-customizer.js
Fix conflict with @johnregan3 PR and adds support for expading widget control on widget preview click
Merge branch 'master' of https://github.com/rfvcorreia/wp-widget-customizer into rfvcorreia-master
Clean up indentation, spacing, whitespace
Register widget click live at $.ready
Provide better API for toggling widget form expanding/collapsing

Add some phpDoc blocks, do some cleanup
Use registered sidebars to inform widget selectors

Eliminate overloaded and abused wp_localized_script so we can export non-string data (registered sidebar objects)
Export widget_id to JS to cleanly find element

Use new getControlInstanceForWidget API to find control instance for given widget rendered in sidebar
Move widget highlight styles into enqueued stylesheet
Highlight widgets at other key events

Widget flashes a highlight when hovering, clicking, or updating a widget.
Move highlight and scrolling into methods.
Add helper methods for getting getting elements.
Add tooltip to widgets and focus on first form input
Expand customize control accordion section when clicking widget
Highlight sections and controls when hovering over widgets
Merge pull request #5 from x-team/issue-5-highlight-widgets

Highlight and scroll widget into view in preview window