chatter: changing from git to 0.1.0 (resolves #208)

recipes-ros/chatter/chatter.inc

-SRC_URI = "git://github.com/bmwcarit/ros_chatter.git"
+SRC_URI = "https://github.com/bmwcarit/${ROS_SPN}/archive/${PV}.tar.gz;downloadfilename=${ROS_SP}.tar.gz"
+SRC_URI[md5sum] = "c26fdc13d96d1b65d0c1e03b41572550"
+SRC_URI[sha256sum] = "b18f8a08fe8bdc4d7a89ee9ab15892348c25d508dad1bed87e795805506f315f"
 
-SRCREV = "${AUTOREV}"
-PV = "1.0.0+gitr${SRCPV}"
-
-S = "${WORKDIR}/git/${ROS_BPN}"
+S = "${WORKDIR}/${ROS_SP}/${ROS_BPN}"
 
 inherit catkin
+
+ROS_SPN = "ros_chatter"