rewrite: add test for banner-only mode, rewriting w/o a head using local
'sample_no_head' file.
query.html: use client side rewriting for calendar dates
rewrite: remove unused decode stuff
rewrite: remove extra wb_url param from rewrite_content(), the wb_url
will come from the urlrewriter, to get the 'mod'
rewrite/testing: add additional test for live rewrite post, invalid post
htmlrewrite: annotate untestable sections (unimplemented, 2.6 only exceptions)
Merge branch 'develop' into https-proxy