Fix #2538 - Only transition if both pushState and hashChange are requested.
Merge pull request #2565 from braddunbar/hashchange-false

Fix #2538 - Only transition if both pushState and hashChange are requested.
Fix #2569 - Add repository to package.json.
Do not load the hash as a fallback.
Fix #2554 - adding clarification about route behavior
Merge pull request #2572 from braddunbar/no-hash-fallback

Do not load the hash as a fallback.
Document listenTo's implicit 'this' context.

That the context to the callback in listenTo is this, is only
documented as issue discussions on github. This adds explicit
documentation of that semantic.

See Issue #1999
Fix a small typo in patch.
Tweak context comment.
Fix #2535 - Update changelog with Model#set changes.
Merge pull request #2591 from braddunbar/model-set-changelog

Fix #2535 - Update changelog with Model#set changes.
Avoid double _validate calls in _prepareModel