MDL-44357 theme_more: New customizable theme

AMOS BEGIN
 CPY [choosereadme,theme_clean],[choosereadme,theme_more]
 CPY [configtitle,theme_clean],[configtitle,theme_more]
 CPY [customcss,theme_clean],[customcss,theme_more]
 CPY [customcssdesc,theme_clean],[customcssdesc,theme_more]
 CPY [footnote,theme_clean],[footnote,theme_more]
 CPY [footnotedesc,theme_clean],[footnotedesc,theme_more]
 CPY [invert,theme_clean],[invert,theme_more]
 CPY [invertdesc,theme_clean],[invertdesc,theme_more]
 CPY [logo,theme_clean],[logo,theme_more]
 CPY [logodesc,theme_clean],[logodesc,theme_more]
 CPY [pluginname,theme_clean],[pluginname,theme_more]
 CPY [region-side-post,theme_clean],[region-side-post,theme_more]
 CPY [region-side-pre,theme_clean],[region-side-pre,theme_more]
AMOS END