Fix put_all
Fix stylin'
Typo
Get underscores right
Support :max_entries
Flesh out caching guide
Newer Undertow fixed its misleading HttpString ctor that we worked around
Add a spec for the caching guide and fix some minor errors in it
Cache listeners from symbols/blocks, not annotations [TORQUE-1245]
Fix links
Minor doc fixes
Expose --io-threads, --worker-threads, and --no-dispatch run options
Minor perf. improvements for all web requests

This reduces byte[] creation by reusing ByteList's backing arrays from
JRuby directly instead of cloning them first. We can get away with
this because we don't modify them at all.

An extra exchange.dispatch(this) call was also removed. It's no longer
needed since the dispatch option was added in WunderBoss.
Clean up those long lines