Inline documentation for hooks in wp-includes/class-wp-customize-widgets.php

Fixes #27531.


git-svn-id: https://develop.svn.wordpress.org/trunk@28117 602fd350-edb4-49c9-b593-d223f7449a82
Color scheme support for widget choosers.

props ocean90.
fixes #27793.


git-svn-id: https://develop.svn.wordpress.org/trunk@28122 602fd350-edb4-49c9-b593-d223f7449a82
Theme installer: Improve route handling and make ?theme= work.

props matveb.
fixes #27708.


git-svn-id: https://develop.svn.wordpress.org/trunk@28123 602fd350-edb4-49c9-b593-d223f7449a82
Customizer: Properly handle widget settings when activating a previewed theme.

props westonruter, ocean90, gcorne.
fixes #27767.


git-svn-id: https://develop.svn.wordpress.org/trunk@28124 602fd350-edb4-49c9-b593-d223f7449a82
Merge branch 'master' into trac-27767

Conflicts:
	src/wp-includes/class-wp-customize-widgets.php
	src/wp-includes/theme.php
	src/wp-includes/widgets.php