static handler: add default 'application/octet-stream' and only set
guessed mime if not none
add changelist for 0.6.5
Merge branch 'develop' for 0.6.5
bump version to 0.6.6
rewrite: add per-collection rewrite options, settable in 'rewrite_opts'
block in each collection. Added rewrite_base to disable rewriting <base>
tag and rewrite_rel_canon to disable rewriting link rel=canon.

Disabling <base> tag rewrite fixex #51 and new system addresses #50 as
well.
Fix quotes in CHANGES.rst
Merge branch 'develop' 0.6.6 into video
Merge branch 'master' into video
rangecache: Add check for X-Ignore-Range-Arg header to force ignoring
range= and serving full request. (For use with nginx range cache
handling)
live rewrite video: add explicit generation of video info file, if
referrer and non-206 request (eg YT)
vidrw: client rewrite: use client width/height if available, otherwise
use 100% to allow replacement in dynamic containers
rewrite: refactor JS rewriters into seperate mixins, allowing for
link only, location only, and link + location JS rewriters.
location-only rewriter is new
js_rewrite_location options: all, location, urls (for now)
Merge branch 'develop' into video, JS rewriter refactoring
rewrite: refactor JS rewriters into seperate mixins, allowing for
link only, location only, and link + location JS rewriters.
location-only rewriter is new
js_rewrite_location options: all, location, urls (for now)
update changelist
Merge branch 'develop' into video