add the api call method
Merge remote-tracking branch 'origin/minghe_dev' into dev
Get mysql back. Get rid of sqllite. We should use the same environment
with what we will deploy.
add script to git pull as cronjob.
finish first two scene
Merge branch 'dev' of https://github.com/us4us/seed into dev
Fix issue: checkout has no attandees info.
1. Add CheckoutAttandee model to record attandees for each checkout.
2. Update checkout index controller to return full checkout info
including attandees.
3. Update fixture and controller test to test change #1 #2.
Merge branch 'dev' into hbzhou
Update interface of attandees of checkout: "attandees" : [{"id" => xx},
{"id" => yy}]
fix checkout get issue bug.
got following task:
    1. everything view can set its class in xcode
    2. checkout list can show something now.
Merge branch 'dev' of https://github.com/us4us/seed into dev
Using adapter mysql2 to replace mysql in database.yml to fix Chinese
charactor show errors.

ref: http://stackoverflow.com/questions/7882841/why-does-activerecord-return-fields-encoded-as-ascii-8bit-even-with-mysql2-gem?rq=1
http works
Merge branch 'dev' of https://github.com/us4us/seed into dev
add some helper
finnish GET/POST restruct