swc-windows-installer.py: Use lists for file content
swc-windows-installer.py: Use lists for file content

This allows us to keep the usual Python block indentation while still
producing the appropriate wrapper content.

selimnairb/2014-02-25-swctest,ethanwhite/windows-installer,selimnairb/2014-02-25-swctest,swcarpentry/windows-installer,selimnairb/2014-02-25-swctest,wking/swc-windows-installer,selimnairb/2014-02-25-swctest,selimnairb/2014-02-25-swctest,selimnairb/2014-02-25-swctest