rewrite: don't rewrite rel=canonical links, need to make rewriting more
configurable (#50)
cookie_rewriter: add 'exact' cookie rewriter which never changes the
path/domain
cookie_rewriter: add tests for exact cookie rewriter
rewrite: properly rewrite scheme relative JS-escaped urls:
'\/\/example.com', '\\/\\/example.com/', treat same as '//example.com'
adding http: prefix
Merge branch 'develop' into video