Add option to allow tab not to be considered a select action

src/Select.js

@@ -74,6 +74,7 @@ const Select = React.createClass({
 		simpleValue: React.PropTypes.bool,          // pass the value to onChange as a simple value (legacy pre 1.0 mode), defaults to false
 		style: React.PropTypes.object,              // optional style to apply to the control
 		tabIndex: React.PropTypes.string,           // optional tab index of the control
+		tabSelectsValue: React.PropTypes.bool,      // whether to treat tabbing out while focused to be value selection
 		value: React.PropTypes.any,                 // initial field value
 		valueComponent: React.PropTypes.func,       // value component to render
 		valueKey: React.PropTypes.string,           // path of the label value in option objects
@@ -112,6 +113,7 @@ const Select = React.createClass({
 			scrollMenuIntoView: true,
 			searchable: true,
 			simpleValue: false,
+			tabSelectsValue: true,
 			valueComponent: Value,
 			valueKey: 'value',
 		};
@@ -334,7 +336,7 @@ const Select = React.createClass({
 				}
 			return;
 			case 9: // tab
-				if (event.shiftKey || !this.state.isOpen) {
+				if (event.shiftKey || !this.state.isOpen || !this.props.tabSelectsValue) {
 					return;
 				}
 				this.selectFocusedOption();

test/Select-test.js

@@ -2696,6 +2696,25 @@ describe('Select', () => {
 			});
 		});
 
+		describe('with tabSelectsValue=false', () => {
+
+			beforeEach(() => {
+
+				instance = createControl({
+					options: defaultOptions,
+					tabSelectsValue: false
+				});
+			});
+
+			it('should not accept when tab is pressed', () => {
+
+				// Search 'h', should only show 'Three'
+				typeSearchText('h');
+				pressTabToAccept();
+				expect(onChange, 'was not called');
+			});
+		});
+
 		describe('valueRenderer', () => {
 
 			var valueRenderer;