fix(build): fix npm install not to depend on minimist

Closes #5282

tools/analytics/analytics.js

@@ -2,7 +2,14 @@
 
 let execSync = require('child_process').execSync;
 let fs = require('fs');
-let minimist = require('minimist');
+
+let minimist;
+try {
+  minimist = require('minimist');
+} catch (e) {
+  minimist = function(){ return {projects: ""}; };
+}
+
 let path = require('path');
 let os = require('os');
 let ua;

tools/broccoli/trees/browser_tree.ts

@@ -118,8 +118,6 @@ module.exports = function makeBrowserTree(options, destinationPath) {
 
   var es5ModulesTree = mergeTrees([modulesTree, es6PolyfillTypings]);
 
-  es5ModulesTree = stew.debug(es5ModulesTree, {name: 'debug-es5'});
-
   var scriptPathPatternReplacement = {
     match: '@@PATH',
     replacement: function(replacement, relativePath) {