UA sniffing
Split into separate client-side JS for PC/mobile
Merge pull request #19 from m3hackathon6/feature/better-mobile-support

Feature/better mobile support
Special guest
Send latecomer viewers to the current slide
Merge pull request #21 from m3hackathon6/feature/preserve-slide-number

Send latecomer viewers to the current slide
Merge branch 'master' of https://github.com/m3hackathon6/slidecast into feature/register

Conflicts:
	lib/controller.js

この方法で大丈夫？