Improved IE8 compat
Fix link to Saucelabs in docs/index.md

The link to Saucelabs was being treated as a relative link, instead of an absolute.
Added a link for hash routing.
Upgrade url-pattern and support optional patterns.
Make getParentRouter() method optional when implementing new routers
0.18.3
examples: master-detail
Merge pull request #50 from brendanmoore/master

Improved IE8 compat
0.18.4
Merge pull request #57 from STRML/master

Upgrade url-pattern and support optional patterns.
0.19.0
Add CaptureClicks to index.js
better support for nested contextual routers
Allow intra-page hash routing.
Update to React 0.11 and fix child context types.
Merge pull request #77 from STRML/react-0.11

Update to React 0.11 and fix child context types.
Merge branch 'hash-routing'
0.20.0
Add missing reactify dep for examples.
Update CHANGELOG