normalize all of package.json

use different module, catch throws, and still remove the ‘git’ prefix
from urls.

src/package.coffee

@@ -1,5 +1,5 @@
 path = require 'path'
-hostedGitInfo = require 'hosted-git-info'
+normalizePackageData = require 'normalize-package-data'
 
 _ = require 'underscore-plus'
 async = require 'async'
@@ -27,15 +27,8 @@ class Package
 
   @normalizeMetadata: (metadata) ->
     if typeof metadata.repository is 'string'
-      metadata.repository =
-        type: 'git'
-        url: metadata.repository
-
-    repoUrl = metadata.repository?.url
-    if repoUrl
-      info = hostedGitInfo.fromUrl(repoUrl)
-      if info.getDefaultRepresentation() is 'shortcut'
-        metadata.repository.url = info.https().replace(/^git\+/, '')
+      normalizePackageData(metadata)
+      metadata.repository.url = metadata.repository.url.replace(/^git\+/, '')
 
   @loadMetadata: (packagePath, ignoreErrors=false) ->
     packageName = path.basename(packagePath)
@@ -45,12 +38,12 @@ class Package
       if metadataPath = CSON.resolve(path.join(packagePath, 'package'))
         try
           metadata = CSON.readFileSync(metadataPath)
+          @normalizeMetadata(metadata)
         catch error
           throw error unless ignoreErrors
 
     metadata ?= {}
     metadata.name = packageName
-    @normalizeMetadata(metadata)
 
     if includeDeprecatedAPIs and metadata.stylesheetMain?
       deprecate("Use the `mainStyleSheet` key instead of `stylesheetMain` in the `package.json` of `#{packageName}`", {packageName})