[added] utils object to exported src/index

[added] index.js in src/utils to expose various utilities

Author: tomatau

src/index.js

@@ -49,6 +49,7 @@ import Table from './Table';
 import TabPane from './TabPane';
 import Thumbnail from './Thumbnail';
 import Tooltip from './Tooltip';
+import utils from './utils';
 import Well from './Well';
 import styleMaps from './styleMaps';
 
@@ -104,6 +105,7 @@ export default {
   TabPane,
   Thumbnail,
   Tooltip,
+  utils,
   Well,
   styleMaps
 };

src/utils/index.js

@@ -0,0 +1,13 @@
+import childrenValueInputValidation from './childrenValueInputValidation';
+import createChainedFunction from './createChainedFunction';
+import CustomPropTypes from './CustomPropTypes';
+import domUtils from './domUtils';
+import ValidComponentChildren from './ValidComponentChildren';
+
+export default {
+  childrenValueInputValidation,
+  createChainedFunction,
+  CustomPropTypes,
+  domUtils,
+  ValidComponentChildren
+};