fix(shell.js): Adding windows support.

Updating paths to support running tasks from windows.

grunt/shell.js

@@ -1,29 +1,39 @@
-module.exports = {
-  // selenium no longer used
-  selenium: {
-    command: './selenium/start',
-    options: {
-      async: true
-    }
-  },
-  'protractor-install': {
-    command: 'node ./node_modules/protractor/bin/webdriver-manager update'
-  },
-  'protractor-start': {
-    command: 'node ./node_modules/protractor/bin/webdriver-manager start',
-    options: {
-      // apparently webdriver/selenium writes lots of trash on stderr, and the real output on stdout.  No idea why....
-      stderr: false,
-      async: true,
-      execOptions: {
-          maxBuffer: 400*1024 // or whatever other large value you want
+module.exports = function() {
+  var webdriverManagerPath = './node_modules/protractor/bin/webdriver-manager';
+  var bowerPath = './node_modules/bower/bin/bower';
+
+  if(process.platform === 'win32') {
+    webdriverManagerPath = '.\\node_modules\\protractor\\bin\\webdriver-manager';
+    bowerPath = '.\\node_modules\\bower\\bin\\bower';
+  }
+
+  return {
+    // selenium no longer used
+    selenium: {
+      command: './selenium/start',
+      options: {
+        async: true
       }
+    },
+    'protractor-install': {
+      command: 'node ' + webdriverManagerPath + ' update'
+    },
+    'protractor-start': {
+      command: 'node ' + webdriverManagerPath + ' start',
+      options: {
+        // apparently webdriver/selenium writes lots of trash on stderr, and the real output on stdout.  No idea why....
+        stderr: false,
+        async: true,
+        execOptions: {
+            maxBuffer: 400*1024 // or whatever other large value you want
+        }
+      }
+    },
+    'bower-install': {
+      command: 'node ' + bowerPath + ' install'
+    },
+    'hooks-install': {
+      command: 'npm run init'
     }
-  },
-  'bower-install': {
-    command: 'node ./node_modules/bower/bin/bower install'
-  },
-  'hooks-install': {
-    command: 'npm run init'
-  }
+  };
 };