feat(start): add --skip-npm flag

Author: tlancina

lib/tasks/cliTasks.js

@@ -43,6 +43,10 @@ var TASKS = [
     options: {
       '--appname|-a': 'Human readable name for the app (Use quotes around the name)',
       '--id|-i': 'Package name for <widget id> config, ex: com.mycompany.myapp',
+      '--skip-npm': {
+        title: 'Skip npm package installation',
+        boolean: true
+      },
       '--no-cordova|-w': {
         title: 'Create a basic structure without Cordova requirements',
         boolean: true

spec/cli.spec.js

@@ -122,7 +122,7 @@ describe('Cli', function() {
         var task = IonicCli.getTaskWithName('start');
         var booleanOptions = IonicCli.getBooleanOptionsForTask(task);
         //We expect 6 total = 3 options, each with short hand notation.
-        expect(booleanOptions.length).toBe(10);
+        expect(booleanOptions.length).toBe(11);
       });
 
       it('should track stats for cli', function() {