Author: Mary Evans
MDL-39276 theme_clean: Renamed Simple theme to Clean theme.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=109cdf6bd801e5ce48c748195f8d054eb8055b44
http://github.com/moodle/moodle/commit/109cdf6bd801e5ce48c748195f8d054eb8055b44
+ 2.5 en [choosereadme,theme_clean]
+ 2.5 en [configtitle,theme_clean]
+ 2.5 en [customcss,theme_clean]
+ 2.5 en [customcssdesc,theme_clean]
+ 2.5 en [footnote,theme_clean]
+ 2.5 en [footnotedesc,theme_clean]
+ 2.5 en [invert,theme_clean]
+ 2.5 en [invertdesc,theme_clean]
+ 2.5 en [logo,theme_clean]
+ 2.5 en [logodesc,theme_clean]
+ 2.5 en [pluginname,theme_clean]
+ 2.5 en [region-side-post,theme_clean]
+ 2.5 en [region-side-pre,theme_clean]