roslang: initial untested recipe by manually extracting meta data from package.xml

recipes-ros/ros/roslang_1.9.42.bb

+DESCRIPTION = "roslang is a common package that all ROS client libraries depend on."
+SECTION = "devel"
+LICENSE = "BSD"
+LIC_FILES_CHKSUM = "file://package.xml;beginline=9;endline=9;md5=d566ef916e9dedc494f5f793a6690ba5"
+
+require ros.inc
+
+S = "${WORKDIR}/ros-${PV}/core/${BPN}"