Use ?v= suffix to version base & theme CSS

Addresses #10. Addresses #87.
Use setup.js?v=5 scheme

Bump version in the process.
Use ?v= suffixes for remaining JS and CSS
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Use ?v= suffixes for remaining JS and CSS
  Use setup.js?v=5 scheme
  Use ?v= suffix to version base & theme CSS

Conflicts:
	hot.js.example