nextNode = function( node ) {
			for( var key in node ) {
				if( key !== 'props' && typeof node[ key ] === 'object' ) {
					nextNode( node[ key ] );
				}
				else if( key === 'type' && node[ key ] === 'react-component' ) {
					node.type = 'component';
					node.componentName = 'lm-react-component';
				}
			}
		}
Extends the default config with the user specific settings and applies
derivations. Please note that there's a seperate method (AbstractContentItem._extendItemNode)
that deals with the extension of item configs

@param   {Object} config
@static
@returns {Object} config