Fix broccoli funnel

Author: Fatme

lib/tools/broccoli/trees/node-modules-tree.ts

@@ -8,7 +8,7 @@ import destCopy from '../node-modules-dest-copy';
 
 class NodeModulesTree implements INodeModulesTree {	
 	public makeNodeModulesTree(absoluteOutputPath: string, projectDir: string): any {
-		let nodeModulesFunnel = new Funnel(".", { include: [projectDir + "/node_modules/**"] });
+		let nodeModulesFunnel = new Funnel(projectDir, { include: ["node_modules/**"] });
    		let result = destCopy(nodeModulesFunnel, absoluteOutputPath, "node_modules", projectDir);   
 		return result;	
 	}