Add support for multiple groups
Remove need for repeating labels
Use iterative loop
Remove config.js example; top plugins on ckeditor.com don't do this
Rename main file to plugin.js per current standard
Added credit, installation instructions to README
Fix indent (note CKEditor coding standard is tabs)
Use key-value pairs instead of order; make no groups possible
Show works for groups
Format code block in README
Add strinsert to toolbar group 'insert'; explain in README
Add another link about toolbar groups to README
Get insertable strings from a config variable, and document them
Get tokens and merge tags in the readme (SEO)
Installation instructions
Configuration instructions
Make button label, title, voice label configurable

Shorten the  button label (name) a bit by default while we're at it.
Explain additional configuration for button label etc.
Provide example of several elements of configuration together
Adapt README formatting to github peculiarities
Merge pull request #3 from activore/master

Configurable strings; optional group headings