Author: john St
Adding new theme Overlay to 2.0 core, MDL-23857
http://git.moodle.org/gw?p=moodle.git;a=commit;h=b2214c5a8033780726eb04a47faab58fb917d758
http://github.com/moodle/moodle/commit/b2214c5a8033780726eb04a47faab58fb917d758
+ 2.0 en [pluginname,theme_overlay]
+ 2.0 en [region-side-post,theme_overlay]
+ 2.0 en [region-side-pre,theme_overlay]
+ 2.0 en [choosereadme,theme_overlay]
+ 2.0 en [linkcolor,theme_overlay]
+ 2.0 en [linkcolordesc,theme_overlay]
+ 2.0 en [configtitle,theme_overlay]
+ 2.0 en [customcss,theme_overlay]
+ 2.0 en [customcssdesc,theme_overlay]
+ 2.0 en [headercolor,theme_overlay]
+ 2.0 en [headercolordesc,theme_overlay]
+ 2.0 en [footertext,theme_overlay]
+ 2.0 en [footertextdesc,theme_overlay]