Revert "Replace "request" by "got""

This reverts commit c2d24c2.

Unfortunately got does not have good [proxy support][1] which
was missed during review.

Fixes sass#1458

[1]: sindresorhus/got#79

package.json

@@ -58,13 +58,13 @@
     "gaze": "^1.0.0",
     "get-stdin": "^4.0.1",
     "glob": "^7.0.3",
-    "got": "^5.5.0",
     "meow": "^3.7.0",
     "in-publish": "^2.0.0",
     "mkdirp": "^0.5.1",
     "nan": "^2.2.0",
     "node-gyp": "^3.3.1",
     "npmconf": "^2.1.2",
+    "request": "^2.61.0",
     "sass-graph": "^2.1.1"
   },
   "devDependencies": {

scripts/install.js

@@ -7,9 +7,9 @@ var fs = require('fs'),
     mkdir = require('mkdirp'),
     npmconf = require('npmconf'),
     path = require('path'),
-    got = require('got'),
-    pkg = require('../package.json'),
     sass = require('../lib/extensions');
+    request = require('request'),
+    pkg = require('../package.json');
 
 /**
  * Download file, if succeeds save, if not delete
@@ -30,6 +30,9 @@ function download(url, dest, cb) {
       'or configure npm proxy via', eol, eol,
       '      npm config set proxy http://example.com:8080'].join(''));
   };
+  var successful = function(response) {
+    return response.statusCode >= 200 && response.statusCode < 300;
+  };
 
   applyProxy({ rejectUnauthorized: false }, function(options) {
     options.headers = {
@@ -39,14 +42,19 @@ function download(url, dest, cb) {
       ].join('')
     };
     try {
-      got.stream(url, options)
-        .on('error', function(error) {
-          reportError(error);
-        })
-        .on('end', function() {
-          cb();
-        })
-        .pipe(fs.createWriteStream(dest));
+      request(url, options, function(err, response) {
+        if (err) {
+          reportError(err);
+        } else if (!successful(response)) {
+            reportError(['HTTP error', response.statusCode, response.statusMessage].join(' '));
+        } else {
+            cb();
+        }
+      }).on('response', function(response) {
+          if (successful(response)) {
+            response.pipe(fs.createWriteStream(dest));
+          }
+      });
     } catch (err) {
       cb(err);
     }