Merge pull request #1646 from blacktemplar/ref-prop-in-creatable

gives possibility to use ref property for Creatable

src/Creatable.js

@@ -156,6 +156,7 @@ class CreatableSelect extends React.Component {
 		const {
 			newOptionCreator,
 			shouldKeyDownEventCreateNewOption,
+			ref: refProp,
 			...restProps
 		} = this.props;
 
@@ -183,6 +184,9 @@ class CreatableSelect extends React.Component {
 					this.labelKey = ref.props.labelKey;
 					this.valueKey = ref.props.valueKey;
 				}
+				if (refProp) {
+					refProp(ref);
+				}
 			}
 		};