Changed the package.xml to format 2 and removed all the commented lines.

package.xml

 <?xml version="1.0"?>
-<package>
+<package format="2">
   <name>iri_ros_tools</name>
-  <version>0.0.0</version>
+  <version>1.0.0</version>
   <description>The iri_ros_tools package</description>
 
-  <!-- One maintainer tag required, multiple allowed, one person per tag --> 
-  <!-- Example:  -->
-  <!-- <maintainer email="jane.doe@example.com">Jane Doe</maintainer> -->
   <maintainer email="labrobotica@iri.upc.edu">labrobotica</maintainer>
-
-
-  <!-- One license tag required, multiple allowed, one license per tag -->
-  <!-- Commonly used license strings: -->
-  <!--   BSD, MIT, Boost Software License, GPLv2, GPLv3, LGPLv2.1, LGPLv3 -->
+  
   <license>LGPL</license>
 
-
-  <!-- Url tags are optional, but mutiple are allowed, one per tag -->
-  <!-- Optional attribute type can be: website, bugtracker, or repository -->
-  <!-- Example: -->
   <url type="website">http://wiki.ros.org/iri_ros_tool</url> 
 
-
-  <!-- Author tags are optional, mutiple are allowed, one per tag -->
-  <!-- Authors do not have to be maintianers, but could be -->
-  <!-- Example: -->
-  <!-- <author email="jane.doe@example.com">Jane Doe</author> -->
   <author email="shernand@iri.upc.edu">Sergi Hernandez</author>
 
-
-  <!-- The *_depend tags are used to specify dependencies -->
-  <!-- Dependencies can be catkin packages or system dependencies -->
-  <!-- Examples: -->
-  <!-- Use build_depend for packages you need at compile time: -->
-  <!--   <build_depend>message_generation</build_depend> -->
-  <build_depend>roscpp</build_depend>
-  <!-- Use buildtool_depend for build tool packages: -->
-  <!--   <buildtool_depend>catkin</buildtool_depend> -->
-  <!-- Use run_depend for packages you need at runtime: -->
-  <!--   <run_depend>message_runtime</run_depend> -->
-  <run_depend>roscpp</run_depend>
-  <!-- Use test_depend for packages you need only for testing: -->
-  <!--   <test_depend>gtest</test_depend> -->
   <buildtool_depend>catkin</buildtool_depend>
-
+  <depend>roscpp</depend>
 
   <!-- The export tag contains other, unspecified, tags -->
   <export>