Updated ROS2 PR: pcl_conversion only to ROS2 (dashing) (#244)

* pcl_conversion to ros2

* travis for ros2 and fixed cmakelists

* exporting dependencies

* updated travis

* fixed smaller things

* added colcon ignore to meta package

* merge pcl_conversions.h with version released in Dashing

* merge test script, CMakeListst, package.xml

* append authors, clean up

* PR feedback

* fixed PR comments

* fixed PR comments, cmakelists message_filters, reverted type masq, added maintainer

* removed dashing and made ros_distro matrix env

perception_pcl/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8.3)
+cmake_minimum_required(VERSION 3.5)
 project(perception_pcl)
-find_package(catkin REQUIRED)
-catkin_metapackage()
+find_package(ament_cmake REQUIRED)
+ament_package()

perception_pcl/package.xml

@@ -1,4 +1,6 @@
-<package format="2">
+<?xml version="1.0"?>
+<?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>1.6.2</version>
   <description>
@@ -20,13 +22,13 @@
   <url type="bugtracker">https://github.com/ros-perception/perception_pcl/issues</url>
   <url type="repository">https://github.com/ros-perception/perception_pcl</url>
 
-  <buildtool_depend>catkin</buildtool_depend>
+  <buildtool_depend>ament_cmake</buildtool_depend>
 
   <exec_depend>pcl_conversions</exec_depend>
   <exec_depend>pcl_msgs</exec_depend>
-  <exec_depend>pcl_ros</exec_depend>
+  <!--<exec_depend>pcl_ros</exec_depend>-->
 
   <export>
-    <metapackage/>
+    <build_type>ament_cmake</build_type>
   </export>
 </package>