提供自动查找TableRule的功能
删除autodect rule配置
Merge branch 'master' of github.com:tddl/tddl

Conflicts:
	tddl-sample/pom.xml
	tddl-sample/src/main/java/ConfigHolderTest.java
	tddl-sample/src/main/java/Sample.java
	tddl-sample/src/main/java/com/taobao/tddl/sample/ConfigHolderTest.java