wrapping previous WbResponse
overhaul yaml config to be much simpler, move best resolver and
best index reader to respective classes
add config_utils for sharing config, standard non-yaml config
provides defaults for testing
fix bug in query.html
* Refactor views class to support more Jinja2 views (J2Template)
* Add a home page, collection search page, and error pages, all optional
* all exceptions appear on error page
* wbrequest supports a request with an empty or / wb_url
Rename archivalrouter.MatchRegex -> archivalrouter.Route, supporting regex/prefix matching
add redir_to_exact to turn off redirect to exact timestamp in RewritingReplayHandler
update README
currently MatchPrefix and MatchRegex. handler returns a single response
(no chaining for now)
* rewriting: don't rewrite anchor only urls
* perf: add a very basic profiler in WBHandler for testing
