message: frontend: Label / selector input now adds on paste and space / comma key
  Automatically add a tag to the SelectorInput when the tab, enter, space
  or comma key is pressed (was previously just tab and enter) and also
  when text is pasted.
diff: @@ -72,6 +72,9 @@ export class SelectorInput extends React.Component {
  render () {
  const {inputValue, isInputValid, tags} = this.state;
  + // Keys that add tags: Tab, enter, space, comma
  + const addKeys = [9, 13, 32, 188];
  +
  // Backspace deletes tags, but not if there is text being edited in the input field
  const removeKeys = inputValue.length ? [] : [8];
  @@ -93,7 +96,7 @@ export class SelectorInput extends React.Component {
  return <div className="co-m-selector-input">
  <tags-input>
  - <TagsInput className="tags" value={tags} removeKeys={removeKeys} inputProps={inputProps} renderTag={renderTag} onChange={this.handleChange.bind(this)} />
  + <TagsInput className="tags" value={tags} addKeys={addKeys} removeKeys={removeKeys} inputProps={inputProps} renderTag={renderTag} onChange={this.handleChange.bind(this)} addOnPaste={true} />
  </tags-input>
  </div>;
  }
  