[what] Sponsor, introduce Showtime and job fair

[why] To introduce our sponsor event, show time and job fair.
[other] should be a sub-page of program
[what] fix typo

[why] typo error
Merge pull request #53 from AlfredWei/master

[what] Sponsor, introduce Showtime and job fair
restyle and tweak content

- all sponsor logo gets a link
- add responsive layout of logo
Merge pull request #54 from l34marr/tutorial

Rename Tutorial Chinese Title for Better Highlight.
update en version
update some grammar
remove duplicated title
tweak tutorial zh content, mostly spacing
fix responive layout of keynote speaker

on smaller screen, size of protrait is more constrained
update ja version
add Patron Kent Hsu
rename sponsor showtime
tweak style
tweak layout
update acomotech logo
Change title size
Update Announcement for Data Analytics Rescheduling.