== Toolbar controller
src/node/utils/toolbar.js

=== button(opts)
 * {Object} `opts`
   * `command` - this command fill be fired on the editbar on click
   * `localizationId` - will be set as `data-l10-id`
   * `class` - here you can add additional classes to the button

Returns: {Button}

Example:

[source, javascript]
----
var orderedlist = toolbar.button({
  command: "insertorderedlist",
  localizationId: "pad.toolbar.ol.title",
  class: "buttonicon buttonicon-insertorderedlist"
})
----

You can also create buttons with text:

[source, javascript]
----
var myButton = toolbar.button({
  command: "myButton",
  localizationId: "myPlugin.toolbar.myButton",
  class: "buttontext"
})
----

=== selectButton(opts)
 * {Object} `opts`
   * `id` - id of the menu item
   * `selectId` - id of the select element
   * `command` - this command fill be fired on the editbar on change

Returns: {SelectButton}

=== SelectButton.addOption(value, text, attributes)
 * {String} value - The value of this option
 * {String} text - the label text used for this option
 * {Object} attributes - any additional html attributes go here (e.g. `data-l10n-id`)

=== registerButton(name, item)
  * {String} name - used to reference the item in the toolbar config in settings.json
  * {Button|SelectButton} item - the button to add
