Added .editorconfig (http://editorconfig.org/)
Update bower packages versions
Select radio based on parent rather than document
Fixes #4769. Added a variable to control text-transform of small in form labels.
Fix dropdown javascript initialization in docs.
Add javascript docs for accordion.
Add tests for multi_expand accordions.
Additional reversions to fully remove autoprefixer and make the build work
Restore missing mixin
Removed unnessissary radax parameter.
Replaced comma with semicolon.
Added new keyword for constructor.
Removed unused variables.
Use local variable.
Change 'document' to 'window' in code example

The current code example of binding a resize event to 'document' does not actually work. Binding the  event to 'window' does. :)
Merge pull request #4792 from iamalexkempton/patch-1

Change 'document' to 'window' in code example
Removes a filthy !important from the grid. That was dumb.
Merge pull request #4789 from shortspider/Minor-Cleanup

Minor cleanup
Changes a component of the button mixin to calculate border-color rather than calculate once from the default
Merge pull request #4776 from tmugford/feature/form-error-text-transform

Fixes #4769. Added a variable to control text-transform of small in form labels