add travis ci support for submodule

.travis.yml

@@ -2,3 +2,5 @@ language: java
 jdk:
   - oraclejdk7
   - openjdk6
+before_install:
+  - git submodule update --init --recursive

webmagic-avalon/webmagic-avalon-common/src/test/java/us/codecraft/dao/DynamicClassDaoTest.java → webmagic-avalon/webmagic-avalon-common/src/test/java/us/codecraft/webmagic/dao/DynamicClassDaoTest.java

-package us.codecraft.dao;
+package us.codecraft.webmagic.dao;
 
 import org.junit.Ignore;
 import org.junit.Test;
@@ -8,7 +8,6 @@ import org.springframework.test.annotation.Rollback;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 import org.springframework.transaction.annotation.Transactional;
-import us.codecraft.webmagic.dao.DynamicClassDao;
 import us.codecraft.webmagic.model.DynamicClass;
 
 /**