Author: Mary Evans
MDL-30196 changed reference from Serenity to Sky High in theme_sky_high.php
http://git.moodle.org/gw?p=moodle.git;a=commit;h=6207bf8f051520e0c4e84b1ab1f578a1b7905348
http://github.com/moodle/moodle/commit/6207bf8f051520e0c4e84b1ab1f578a1b7905348
+ 2.2 en [choosereadme,theme_sky_high]