Merge pull request #1512 from rndm2/master

Fixed bug. No more comparing objects in getFocusableOptionIndex

Author: JedWatson

src/Select.js

@@ -1024,7 +1024,14 @@ const Select = React.createClass({
 
 let focusedOption = this.state.focusedOption || selectedOption;
 if (focusedOption && !focusedOption.disabled) {
-const focusedOptionIndex = options.indexOf(focusedOption);
+let focusedOptionIndex = -1;
+options.some((option, index) => {
+const isOptionEqual = option.value === focusedOption.value;
+if (isOptionEqual) {
+focusedOptionIndex = index;
+}
+return isOptionEqual;
+});
 if (focusedOptionIndex !== -1) {
 return focusedOptionIndex;
 }