move unl_theme and customindex to the plugins folder

plugins/customindex/witw_icons/John_Yohe.jpg

plugins/customindex/witw_icons/John_Yohe_medium.jpg

plugins/customindex/witw_icons/John_Yohe_tiny.jpg

plugins/customindex/witw_icons/Jorge-Alberto_Rodriguez.jpg

...customindex/witw_icons/Jorge-Alberto_Rodriguez_medium.jpg

...s/customindex/witw_icons/Jorge-Alberto_Rodriguez_tiny.jpg

plugins/customindex/witw_icons/Juanita_Page.jpg

plugins/customindex/witw_icons/Juanita_Page_medium.jpg

plugins/customindex/witw_icons/Juanita_Page_tiny.jpg

plugins/customindex/witw_icons/Karen_Kunc.jpg

plugins/customindex/witw_icons/Karen_Kunc_medium.jpg

plugins/customindex/witw_icons/Karen_Kunc_tiny.jpg

plugins/customindex/witw_icons/Ken_Vogel.jpg

plugins/customindex/witw_icons/Ken_Vogel_medium.jpg

plugins/customindex/witw_icons/Ken_Vogel_tiny.jpg

plugins/customindex/witw_icons/Larkin_Powell.jpg

plugins/customindex/witw_icons/Larkin_Powell_medium.jpg

plugins/customindex/witw_icons/Larkin_Powell_tiny.jpg

plugins/customindex/witw_icons/Michael_Hoff.jpg

plugins/customindex/witw_icons/Michael_Hoff_medium.jpg