Bug 148588 Image Builder enhancement
1.Image selector should not filter *.svg 2.Support svg image type in embedded image.
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/ImageManager.java
{
			return new URL( uri );
		}
		catch ( MalformedURLException e )
		{
			String path = URIUtil.getLocalPath( uri );
			if ( path != null )
			{
				ModuleHandle designHandle = SessionHandleAdapter.getInstance( )
						.getReportDesignHandle( );
				
				return designHandle.findResource( path, IResourceLocator.IMAGE );
			}
			return URI.create( uri ).toURL( );
		}
	}
	/**
	 * Generate hash key.
	 * 
	 * @param reportDesignHandle
	 *  Moudle handle
	 * @param name
	 *  Name
	 * @return key string
	 */
	public String generateKey( ModuleHandle reportDesignHandle, String name )
	{
		return reportDesignHandle.hashCode( ) + EMBEDDED_SUFFIX + name;
	}
}