chore(package.json): update to latest version of shelljs

Author: petebacondarwin

lib/versions/version-info.js

@@ -53,7 +53,7 @@ var getGitRepoInfo = function() {
  * @return {String}         The codename if found, otherwise null/undefined
  */
 var getCodeName = function(tagName) {
-  var gitCatOutput = shell.exec('git cat-file -p ' + tagName, {silent:true}).output;
+  var gitCatOutput = shell.exec('git cat-file -p ' + tagName, {silent:true}).stdout;
   var tagMessage = gitCatOutput.match(/^.*codename.*$/mg)[0];
   var codeName = tagMessage && tagMessage.match(/codename\((.*)\)/)[1];
   if (!codeName) {
@@ -69,7 +69,7 @@ var getCodeName = function(tagName) {
  * @return {String} The build segment of the version
  */
 function getBuild() {
-  var hash = shell.exec('git rev-parse --short HEAD', {silent: true}).output.replace('\n', '');
+  var hash = shell.exec('git rev-parse --short HEAD', {silent: true}).stdout.replace('\n', '');
   return 'sha.' + hash;
 }
 
@@ -87,7 +87,7 @@ var getTaggedVersion = function() {
   var gitTagResult = shell.exec('git describe --exact-match', {silent:true});
 
   if (gitTagResult.code === 0) {
-    var tag = gitTagResult.output.trim();
+    var tag = gitTagResult.stdout.trim();
     var version = semver.parse(tag);
 
     if (version && checkBranchPattern(version.version, currentPackage.branchPattern)) {
@@ -113,7 +113,7 @@ var getPreviousVersions =  function() {
   var query = NO_REMOTE_REQUESTS ? 'git tag' : 'git ls-remote --tags ' + repo_url;
   var tagResults = shell.exec(query, {silent: true});
   if (tagResults.code === 0) {
-    return _(tagResults.output.match(/v[0-9].*[0-9]$/mg))
+    return _(tagResults.stdout.match(/v[0-9].*[0-9]$/mg))
       .map(function(tag) {
         var version = semver.parse(tag);
         return version;
@@ -159,7 +159,7 @@ var getCdnVersion = function() {
                                       {silent: true});
           if (cdnResult.code === 0) {
             // --write-out appends its content to the general request response, so extract it
-            var statusCode = cdnResult.output.split('\n').pop().trim();
+            var statusCode = cdnResult.stdout.split('\n').pop().trim();
             if (statusCode === '200') {
               cdnVersion = version;
             }