Sort "require" calls by variable names and group them

This makes things consistent and reduces thinking about "require"
ordering.

benchmark/index.js

@@ -2,8 +2,8 @@
 
 /* eslint-env browser, jquery */
 
-let benchmarks = require("./benchmarks.js");
 let Runner = require("./runner.js");
+let benchmarks = require("./benchmarks.js");
 
 $("#run").click(() => {
   // Results Table Manipulation

benchmark/run

@@ -5,10 +5,9 @@
 /* eslint-env node */
 /* eslint no-console: 0*/
 
-let fs = require("fs");
-
-let benchmarks = require("./benchmarks.js");
 let Runner = require("./runner.js");
+let benchmarks = require("./benchmarks.js");
+let fs = require("fs");
 
 // Results Table Manipulation
 

benchmark/server

@@ -9,11 +9,11 @@
 // and the benchmark get passed through Babel & Browserify before they are
 // served to the browser.
 
+let babelify = require("babelify");
+let browserify = require("browserify");
 let express = require("express");
-let logger = require("morgan");
 let glob = require("glob");
-let browserify = require("browserify");
-let babelify = require("babelify");
+let logger = require("morgan");
 
 let app = express();
 

lib/compiler/passes/generate-bytecode.js

@@ -1,9 +1,9 @@
 "use strict";
 
 let asts = require("../asts");
-let visitor = require("../visitor");
-let op = require("../opcodes");
 let js = require("../js");
+let op = require("../opcodes");
+let visitor = require("../visitor");
 
 // Generates bytecode.
 //

lib/compiler/passes/generate-js.js

@@ -1,8 +1,8 @@
 "use strict";
 
 let asts = require("../asts");
-let op = require("../opcodes");
 let js = require("../js");
+let op = require("../opcodes");
 
 // Generates parser JavaScript code.
 function generateJS(ast, options) {

spec/server

@@ -9,11 +9,11 @@
 // the specs get passed through Babel & Browserify before they are served to the
 // browser.
 
+let babelify = require("babelify");
+let browserify = require("browserify");
 let express = require("express");
-let logger = require("morgan");
 let glob = require("glob");
-let browserify = require("browserify");
-let babelify = require("babelify");
+let logger = require("morgan");
 
 let app = express();