config the project in  android studio
implement the filter function
import the dev env
merge
implement search and filter function
Big change 2
Merge remote-tracking branch 'upstream/master' into test

Conflicts:
	build.gradle
	res/menu/menu_buy_car.xml
	src/com/jason/usedcar/FindUsedActivity.java
add seriers facet selection for search
认证
Merge remote-tracking branch 'upstream/master' into test

Conflicts:
	src/com/jason/usedcar/FindUsedActivity.java
完善个人资料，以及细节调优