pep8 compliance, almost entirely whitespace changes.
test
Add translating node_type of tosca to Juju charm function draft version
Update the line delimiter from Wins to Unix
Add default type - "string" for node properties.
Trim space for empty line
Update codes for addressing review comments
Update for addressing review comments from wwitzel3
Merge branch 'draft' of github.com:juju/juju-tosca into draft
Added calling of nodetype2charm in mainline