Merge pull request #11 - removing download dependency

Removing dependency on download and using native download instead.

lib/update.js

@@ -1,8 +1,8 @@
-var fs = require('fs')
+var fs = require('fs'),
+  http = require('http')
 
 var async = require('async'),
-  Download = require('download'),
-  downloadStatus = require('download-status'),
+  mkdirp = require('mkdirp'),
   rimraf = require('rimraf'),
   shp = require('shpjs')
 
@@ -30,12 +30,26 @@ var extractToGeoJson = function(callback) {
 }
 
 var downloadFile = function(url, rename, callback) {
-  var download = new Download()
-    .get(url)
-    .dest('downloads')
-    .use(downloadStatus())
-    .rename(rename)
-    .run(callback)
+  var dlFile = 'downloads/' + rename
+  console.log('Downloading', url)
+  async.auto({
+    rm: function(cb) {
+      rimraf(dlFile, cb)
+    },
+    mkdir: ['rm', function(results, cb) {
+      mkdirp('downloads', cb)
+    }],
+    dl: ['mkdir', function(results, cb) {
+      var file = fs.createWriteStream(dlFile)
+      http.get(url, function(response) {
+        response.pipe(file)
+        file.on('finish', function() {
+          file.close(cb)
+        })
+      }).on('error', cb)
+    }]
+  }, callback)
+
 }
 
 var makeReadShaFileFn = function(filename) {

package.json

@@ -29,8 +29,6 @@
     "chai": "^3.5.0",
     "codeclimate-test-reporter": "^0.3.1",
     "cross-env": "^1.0.7",
-    "download": "^4.4.3",
-    "download-status": "^2.2.1",
     "fs-extra": "^0.30.0",
     "istanbul": "^0.4.2",
     "jsts": "^1.1.2",