Fix display bugs and adjust package stucture.

Packge structure adjust, add multiple datasource support, fix support
display errors.
Merge branch 'master' of https://github.com/freeedu/service

Conflicts:
	FEOP/FEOPOAuth/FEOPOAuthService2/src/main/resources/app.properties
	FEOP/FEOPOAuth/FEOPOAuthService2/src/main/resources/spring-mail.xml