Author: Kordan
MDL-28459 theme-formal_white Added option to specify a special logo for use on the frontpage
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ec140757f7b77f89412b57fa8c35106b0830a183
http://github.com/moodle/moodle/commit/ec140757f7b77f89412b57fa8c35106b0830a183
+ 2.2 en [frontpagelogo,theme_formal_white]
+ 2.2 en [frontpagelogodesc,theme_formal_white]
+ 2.2 en [logo,theme_formal_white]
+ 2.2 en [logodesc,theme_formal_white]