* Adds a file header separate from the `WP_Customize_Control` class block
* Fixes formatting for the `WP_Customize_Control`, `WP_Customize_Color_Control`, `WP_Customize_Upload_Control`, `WP_Customize_Image_Control`, `WP_Customize_Background_Image_Control`, `WP_Customize_Theme_Control`, `WP_Customize_New_Theme_Control`, `WP_Widget_Area_Customize_Control`, and `WP_Widget_Form_Customize_Control` class DocBlocks.
* Adds a missing class DocBlock for `WP_Customize_Header_Image_Control`
See #31446.
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git-svn-id: http://core.svn.wordpress.org/trunk@31520 1a063a9b-81f0-0310-95a4-ce76da25c4cd