of1x_instruction_pp.h => __of1x_process_instructions() => fixed bug => WRITE_METADATA corrected
Merge branch 'devel-0.4' into devel-0.5

Conflicts:
	src/rofl/datapath/pipeline/openflow/openflow1x/pipeline/of1x_instruction_pp.h
Merge branch 'akoepsel/devel-0.5/testing' into akoepsel/devel-0.5/pbb

Conflicts:
	src/rofl/datapath/pipeline/openflow/openflow1x/pipeline/of1x_instruction_pp.h