import-checker: force 'logging' to stdlib module
Not sure why this isn't getting picked up. Perhaps we're not handling
stdlib paths that have sub-modules? Something to investigate for another
day...
test-install: embed wix namespace for Python 2.6 compatibility
According to doc, the syntax is "{uri}tag".
https://docs.python.org/2.7/library/xml.etree.elementtree.html#parsing-xml-with-namespaces