adding the genmsg recipe, which is the first recipe that also creates some...

adding the genmsg recipe, which is the first recipe that also creates some python modules and hence requires some more ingredients in the recipe

recipes-ros/genmsg/genmsg_0.4.17.bb

+DESCRIPTION = "Standalone Python library for generating ROS message and service data structures for various languages."
+SECTION = "devel"
+LICENSE = "BSD"
+LIC_FILES_CHKSUM = "file://package.xml;beginline=9;endline=9;md5=d566ef916e9dedc494f5f793a6690ba5"
+
+SRC_URI = "https://github.com/ros-gbp/genmsg-release/archive/release/genmsg/0.4.17.tar.gz;downloadfilename=genmsg_0.4.17.tar.gz"
+SRC_URI[md5sum] = "cd88647b1f37987e75a543ff826dbfcb"
+SRC_URI[sha256sum] = "12509645b02dbe8180321fc263abb45feded4cc1172eb485a2780ed93607e64e"
+
+S = "${WORKDIR}/genmsg-release-release-genmsg-0.4.17"
+
+DEPENDS = "catkin-native"
+
+FILES_${PN} += "${libdir}/*"
+
+inherit distutils cmake pythonnative
+
+export BUILD_SYS
+export HOST_SYS
+export STAGING_LIBDIR
+export STAGING_INCDIR
+