Add ability to rewrite JS files.
Merge branch 'master' of github.com:vonrosen/wayback
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Allow strings with special characters to be used as literals
Merge pull request #25 from vonrosen/ari-3807

For https://webarchive.jira.com/browse/ARI-3807