update license, url, maintainer

package.xml

 <?xml version="1.0"?>
 <package format="2">
   <name>simulation_util</name>
-  <version>0.1.0</version>
+  <version>0.2.0</version>
   <description>The simulation_util package</description>
 
   <!-- One maintainer tag required, multiple allowed, one person per tag -->
   <!-- Example:  -->
   <!-- <maintainer email="jane.doe@example.com">Jane Doe</maintainer> -->
+  <maintainer email="sebastian.ebert@tu-dresden.de">Sebastian Ebert</maintainer>
   <maintainer email="johannes.mey@tu-dresden.de">Johannes Mey</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>MIT</license>
+  <license>BSD</license>
 
 
   <!-- Url tags are optional, but multiple are allowed, one per tag -->
   <!-- Optional attribute type can be: website, bugtracker, or repository -->
-  <url type="website">http://st.inf.tu-dresden.de/ceti-robots/pkgs/simulation_util.html</url>
+  <url type="website">http://ceti.pages.st.inf.tu-dresden.de/robotics/pkgs/simulation_util.html</url>
   <url type="repository">https://git-st.inf.tu-dresden.de/ceti/ros/simulation_util</url>