Update yaml and maven settings

.travis.yml

@@ -1,5 +1,5 @@
 language: java
 jdk:
   - openjdk6
-before_script:
+before_install:
   - cp maven_settings.xml ~/.m2/settings.xml

maven_settings.xml

@@ -0,0 +1,25 @@
+<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
+                          http://maven.apache.org/xsd/settings-1.0.0.xsd">
+    <localRepository/>
+    <interactiveMode/>
+    <usePluginRegistry/>
+    <offline/>
+    <pluginGroups/>
+    <servers/>
+    <mirrors>
+        <mirror>
+            <id>codehaus-mule-repo</id>
+            <name>codehaus-mule-repo</name>
+            <url>https://repository-master.mulesoft.org/nexus/content/groups/public/</url>
+            <layout>default</layout>
+            <mirrorOf>repository.codehaus</mirrorOf>
+        </mirror>
+    </mirrors>
+
+
+    <proxies/>
+    <profiles/>
+    <activeProfiles/>
+</settings>