Update package maintainers (#1157)

Signed-off-by: Geoffrey Biggs <[email protected]>

package.xml

@@ -6,8 +6,8 @@
   <name>catkin</name>
   <version>0.8.10</version>
   <description>Low-level build system macros and infrastructure for ROS.</description>
-  <maintainer email="michael@openrobotics.org">Michael Carroll</maintainer>
-  <maintainer email="[email protected]">Tully Foote</maintainer>
+  <maintainer email="geoff@openrobotics.org">Geoffrey Biggs</maintainer>
+  <maintainer email="[email protected]">Ivan Santiago Paunovic</maintainer>
   <license>BSD</license>
 
   <url type="website">http://wiki.ros.org/catkin</url>
@@ -18,6 +18,8 @@
   <author>Morten Kjaergaard</author>
   <author>Brian Gerkey</author>
   <author>Dirk Thomas</author>
+  <author email="[email protected]">Michael Carroll</author>
+  <author email="[email protected]">Tully Foote</author>
 
   <depend condition="$ROS_PYTHON_VERSION == 2">python-argparse</depend>
   <depend condition="$ROS_PYTHON_VERSION == 2" version_gt="0.4.3">python-catkin-pkg</depend>