Bug 119331 Library - name space terminology and behavior
During BIRT 2.0 library feature review meeting the following change was decided. - Change the term namespace to 'prefix' - By default use the library name as the prefix ( namespace ); the dialog to input prefix should be prompted only if hte auto generated prefix is not unique.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/util/UIUtil.java
* 
	 * @param pluginId
	 *            the identify of the plugin
	 * 
	 * @return the plug-in name, or null if the plug-in is not found
	 */
	public static String getPluginName( String pluginId )
	{
		return getBundleValue( pluginId,
				org.osgi.framework.Constants.BUNDLE_NAME );
	}
	/**
	 * Returns the plug-in version
	 * 
	 * @param pluginId
	 *            the identify of the plugin
	 * 
	 * @return the plug-in version, or null if the plug-in is not found
	 */
	public static String getPluginVersion( String pluginId )
	{
		return getBundleValue( pluginId,
				org.osgi.framework.Constants.BUNDLE_VERSION );
	}
	private static String getBundleValue( String pluginId, String key )
	{
		Assert.isNotNull( pluginId );
		Bundle bundle = Platform.getBundle( pluginId );
		if ( bundle != null )
		{