Initial commit

This is a gwt wrapper for http://bootstrap-growl.remabledesigns.com/

Usage:
```
package com.bootstrap3extras.test.client;

import org.gwtbootstrap3.client.ui.Button;
import org.gwtbootstrap3.client.ui.constants.IconType;
import org.gwtbootstrap3.client.ui.constants.Styles;
import org.gwtbootstrap3.extras.growl.client.ui.Growl;
import org.gwtbootstrap3.extras.growl.client.ui.GrowlHelper;
import org.gwtbootstrap3.extras.growl.client.ui.GrowlOptions;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.RootPanel;


/**
 * Entry point classes define <code>onModuleLoad()</code>.
 */
public class Bootstrap3ExtrasTest implements EntryPoint {


	/**
	 * This is the entry point method.
	 */
	public void onModuleLoad() {
		basicGrowl();
		basicWithTitle();
		basicWithTitleAndIcon();
		basicWithTitleIconAndOptions();
	}

	private void basicGrowl() {
		Button b = new Button("Growl");
		b.addClickHandler(new ClickHandler() {
			
			@Override
			public void onClick(ClickEvent event) {
				Growl.growl("hi");
				
			}
		});
		RootPanel.get("myApp").add(b);
	}

	private void basicWithTitle() {
		Button b = new Button("Growl With Title");
		b.addClickHandler(new ClickHandler() {
			
			@Override
			public void onClick(ClickEvent event) {
				Growl.growl("Title","Some super cool subtitle");
				
			}
		});
		RootPanel.get("myApp").add(b);
	}

	private void basicWithTitleAndIcon() {
		Button b = new Button("Growl With Title and Icon");
		b.addClickHandler(new ClickHandler() {
			
			@Override
			public void onClick(ClickEvent event) {
				Growl.growl("Title","Some super cool subtitle",Styles.FONT_AWESOME_BASE + " " + IconType.ARCHIVE);
				
			}
		});
		RootPanel.get("myApp").add(b);
	}

	private void basicWithTitleIconAndOptions() {
		Button b = new Button("Growl With Title, Icon and Options");
		b.addClickHandler(new ClickHandler() {
			
			@Override
			public void onClick(ClickEvent event) {
				GrowlOptions go = GrowlHelper.getNewOptions();
				go.setSuccessType();
				go.setAllowDismiss(false);
				Growl.growl("Title","Some super cool subtitle",Styles.FONT_AWESOME_BASE + " " + IconType.ARCHIVE,go);
				
			}
		});
		RootPanel.get("myApp").add(b);
	}

}

```