Added mlaursen#16: Nested Dropdown Menu Delay

Added the nested dropdown menu delay to have a default time of 500ms.
Removed the examples from the git repo since it isn't really helpful to view those babelified files.
Updated readme with new info.

.gitignore

@@ -26,3 +26,5 @@ build/Release
 # https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git
 node_modules
 .sass-cache
+
+examples

README.md

@@ -5,7 +5,7 @@ Live Example: http://codepen.io/mlaursen03/full/PqVjMm/
 
 > Live Example might not be up to date
 
-An up-to-date example is available in the `examples` folder. You can run `gulp --examples` to start up the example.
+An up-to-date example is available in the `examples` folder. You can run `gulp serve --examples` to start up the example.
 
 ### Installation
 
@@ -51,6 +51,7 @@ $ npm install -S react-dd-menu
 * `direction` - The animation direction.
   * One of `left`, `right`
 * `upwards`   - boolean if the nested menu should render upwards. Defaults to `false`
+* `delay`   - A number in ms to allow the mouse to be off of the dropdown menu to close it. Defaults to `500ms`
 
 ### Styling
 In the `dist` folder, there is a `react-dd-menu.css` and a `react-dd-menu.min.css` with the default css stylings. If you have SASS, the source is located in `src/scss`.