Found another MetaData -> Metadata change
Merge metadata updates from upstream r590 and r593
Generated Python files for metadata
Merge branch 'dev' into python3

Conflicts:
	python/phonenumbers/data/alt_format_49.py
	python/phonenumbers/data/alt_format_61.py
	python/phonenumbers/data/region_BR.py
	python/phonenumbers/data/region_GA.py
	python/phonenumbers/data/region_GE.py
	python/phonenumbers/data/region_GN.py
	python/phonenumbers/data/region_IN.py
	python/phonenumbers/data/region_IR.py
	python/phonenumbers/data/region_NE.py
	python/phonenumbers/data/region_NL.py
	python/phonenumbers/data/region_PH.py
	python/phonenumbers/geodata/__init__.py