bump to 2.4.5 for release (#466)

Author: SteveMacenski

pcl_conversions/package.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <package format="2">
   <name>pcl_conversions</name>
-  <version>2.4.4</version>
+  <version>2.4.5</version>
   <description>Provides conversions from PCL data types and ROS message types</description>
 
   <author email="william@osrfoundation.org">William Woodall</author>

pcl_ros/package.xml

@@ -2,7 +2,7 @@
 <?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
   <name>pcl_ros</name>
-  <version>2.4.4</version>
+  <version>2.4.5</version>
   <description>
 
   PCL (Point Cloud Library) ROS interface stack. PCL-ROS is the preferred

perception_pcl/package.xml

@@ -2,7 +2,7 @@
 <?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
   <name>perception_pcl</name>
-  <version>2.4.4</version>
+  <version>2.4.5</version>
   <description>
   PCL (Point Cloud Library) ROS interface stack. PCL-ROS is the preferred
   bridge for 3D applications involving n-D Point Clouds and 3D geometry