0.9.3 (Aug 2015)
================

This release was focused into provide several usability enhancements, better
docs, new examples, a lot of bug fixes and an improved testing machinery (using
pytest and selenium-based test).

* Support horizontal or vertical spans
* Provide raw_components version of bokeh.embed.components
* Prevent Bokeh from eating scroll events if wheel tool is not active
* bokeh.models.actions are now called bokeh.models.callbacks and Callback is now CustomJS
* Additional validation warnings
* Cleaned up gulp source mapping
* Fixes in our build machinery
* Cleaned up models section of the reference guide
* Use pytest instead of nose
* Beginning to add selenium tests
