fix(LoadingState): Add LoadingState component to exports (#881) (#980)

Author: xprazak2

packages/patternfly-3/patternfly-react/src/index.js

@@ -22,6 +22,7 @@ export * from './components/InlineEdit';
 export * from './components/Label';
 export * from './components/ListGroup';
 export * from './components/ListView';
+export * from './components/LoadingState';
 export * from './components/LoginPage';
 export * from './components/Masthead';
 export * from './components/MenuItem';