Merge pull request #42 from l34marr/tutorial

Update Tutorial English Message.
uniform the currency display format
add BoF zh draft
make zh more ui friendly
fix duplicated t-shirt size
add keynote speaker headshots
add their headshots
sort speakers by their last name
invited talk notice move out of title line
update zh version as well
update ja version
update 懶人包
keynote photo to the right; fix responsive layout
update ja venue map
add 數位時代 media sponsor
add zh BoF page
add special financial aid
update zh-tw BoF, rename
Update Tutorial Messages.