Add Button widget and stubs for Toggle and button groups
Delete inexisting arg.
Handle rc candidate versions.
Merge remote-tracking branch 'origin/master' into mattpap/buttons
Restructure buttons, groups and button groups
Add support for font-awesome 4.2.0 (using bk-fa- prefix)
Add support for Icon widget
Add convenience Session.poll_document() method
Implement checkbox and radio groups
Use bk-bs- prefix in button.coffee
Add bk-bs- infix to data- selectors in bootstrap/less/*.less
Implement checkbox and radio button groups
Implement toggle button
Add spacing between button's icon and text
Make icons work on the server (no static pages yet)
Preliminary implementation of dropdown buttons
Add glyphs/buttons_server example
Updating Bokeh to 0.6.0
Updating BokehJS release to 0.6.0
Updating CHANGELOG and release notes to <version>. Also fix a little error in the issues script.