Calendar
http://qiita.com/advent-calendar/2015/rxjs
RxSwift Getting Started
https://github.com/ReactiveX/RxSwift/blob/master/Documentation/GettingStarted.md
RxSwiftϦϙδτϦ(αϯϓϧΛͻͨ͢ΒಡΉͱྑ͍)
https://github.com/ReactiveX/RxSwift
Observable? Sbscribe? Hot? ͱݴΘΕͯ??????
…ͦΜͳ࣌ʹಡΜͰྑ͔ͬͨྑࢿྉू