added top-level-workflows and alias-mappings to the new dsl parser
Merge remote-tracking branch 'origin/feature/CLOUDIFY-2134-cosmo-python-dsl-parser' into feature/CLOUDIFY-2134-cosmo-python-dsl-parser

Conflicts:
	dsl_parser/parser.py
Merge remote-tracking branch 'origin/feature/CLOUDIFY-2134-cosmo-python-dsl-parser' into feature/CLOUDIFY-2134-cosmo-python-dsl-parser

Conflicts:
	dsl_parser/parser.py
	dsl_parser/tests/test_parser_logic_exceptions.py