update description

collada_parser/manifest.xml

@@ -1,13 +1,16 @@
 <package>
   <description brief="collada_parser">
-
+    This package contains a C++ parser for the Collada robot
-     collada_parser
+    description format. The parser reads a Collada XML robot
-
+    description, and creates a C++ URDF model. Although it is possible
+    to directly use this parser when working with Collada robot
+    descriptions, the preferred user API is found in the urdf package.
   </description>
-  <author>John Hsu</author>
+  <author>Rosen Diankov</author>
   <license>BSD</license>
   <review status="unreviewed" notes=""/>
   <url>http://ros.org/wiki/collada_parser</url>
+
   <depend package="roscpp"/>
   <depend package="urdf_interface"/>
   <depend package="colladadom"/>

urdf_parser/manifest.xml

@@ -1,9 +1,11 @@
 <package>
   <description brief="URDF Xml robot description parser.">
-    This package contains a C++ parser for the Unified Robot Description
+    This package contains a C++ parser for the Unified Robot
-    Format (URDF), which is an XML format for representing a robot model. 
+    Description Format (URDF), which is an XML format for representing
-    The code API of the parser has been through our review process and will remain
+    a robot model.  The parser reads a URDF XML robot description, and
-    backwards compatible in future releases.
+    creates a C++ URDF model. Although it is possible to directly use
+    this parser when working with URDF robot descriptions, the
+    preferred user API is found in the urdf package.
   </description>
   <author>Wim Meeussen, John Hsu, Rosen Diankov</author>
   <license>BSD</license>