recipes: Replace "cp -a" with "cp -R --no-dereference --preserve=mode,links"

* Using "cp -a" leaks UID of user running the builds, causing
  many QA warnings.
* See this thread for details:
  http://lists.openembedded.org/pipermail/openembedded-core/2015-November/112904.html

Dropped Lua patch as no ptest support exists in jethro

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

Conflicts:
	meta-oe/recipes-devtools/lua/lua_5.3.1.bb

meta-oe/recipes-navigation/orrery/orrery_2.7.bb

@@ -23,7 +23,7 @@ do_configure_prepend() {
 }
 do_install_append() {
     install -d ${D}${datadir}/orrery
-    cp -a ${S}/data/* ${D}${datadir}/orrery
+    cp -R --no-dereference --preserve=mode,links -v ${S}/data/* ${D}${datadir}/orrery
     chown -R root:root ${D}${datadir}/orrery
     install -d ${D}${datadir}/icons
     install -m 0755 ${WORKDIR}/orrery.png ${D}${datadir}/icons