config.tpl:		added option to enable theme switching
vidplay.tpl:		updated with new <<vars>>
mp3play/index.html	updated mp3 player page to for load playlist from ../../../mylistdata.xml

misc:			added mp3_pls tpls for generating pls

tested (on firefox):

video play
config
pic viewing
mp3 play

tested on wii

not yet, should be fine though.