update keynote speaker info
add link to sponsor logo; add YowuReport
add english registration, work on #27
reg use another layout

ticket note moves to a new column
work on #27
add chinese version of reg info, work on #27
update zh reg info table style
update zh style, work on #27
fix table spacing (#27)
fix en table info, #27
make notice an ordered list #27

Note that the style is broken right now, bullets instead of numbers are
shown.
rename zh reg name