of1X_translation_utils => WriteMetadata instruction has class name cofinst_write_metadata, not cofinstruction_write_metadata, copy-and-paste error
Preventing double RX/TX queue setup. fixes #24
Merge branch 'devel-0.4' into devel-0.5

Conflicts:
	src/xdpd/openflow/openflow12/of12_translation_utils.cc
	src/xdpd/openflow/openflow13/of13_translation_utils.cc