remove submodule

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "webmagic-avalon/forger"]
-	path = webmagic-avalon/forger
-	url = git://github.com/code4craft/forger.git

.travis.yml

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

webmagic-avalon/webmagic-avalon-common/pom.xml

@@ -150,4 +150,18 @@
         </plugins>
     </build>
 
+    <repositories>
+        <repository>
+            <id>sonatype-nexus-snapshots</id>
+            <name>Sonatype Nexus Snapshots</name>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+            <releases>
+                <enabled>false</enabled>
+            </releases>
+            <snapshots>
+                <enabled>true</enabled>
+            </snapshots>
+        </repository>
+    </repositories>
+
 </project>