Added debug flag

.travis.yml

@@ -4,7 +4,7 @@ jdk:
 sudo: false
 env:
   global:
-    - BUILD_CMD='mvn -Dskip.tests=true clean install'
+    - BUILD_CMD='mvn -X -Dskip.tests=true clean install'
     - RUN_TESTS=false
 matrix:
   include:
@@ -19,7 +19,7 @@ before_install:
   - "export DISPLAY=:99.0"
   - "sh -e /etc/init.d/xvfb start"
   - "source install_dependencies.sh"
-  - "mvn -Dskip.tests=true initialize"
+  - "mvn -X -Dskip.tests=true initialize"
 install:
   - "$BUILD_CMD"
 script: