Merge pull request #41 from fangdiantong/yiling

Major refactory on MongoRowConverter  to AdDataConverter
fixed the baidu sem device has no data bug
Merge pull request #42 from fangdiantong/yesenfei

fixed the baidu sem device has no data bug
Merge branch 'master' into yiling

Conflicts:
	fdd_ads_pipeline/src/main/java/fangdd/pipeline/ads/converter/BaseBaiduDataConverter.java