ignore price check when bidder leads the price for certain item
Branch: polymer: add polymer
gitignore: DS_Store
add login screen with polymer and xml2json
only login
DS_Store: deleted
json added
saa: add saa but not tesed
saa: can show data
saa: modify style
add post but faild
tmp: rm bower_components from .gitigore
add timer but flash
saa: now it can update every 1s succeddfully
saa: add key event and handle failure
saa: before try post
saa: works!(without validation...)
server uses json to communicate
Merge branch 'polymer' of http://github.com/Vancy/AuctionDemo into polymer
saa: minor comments