feat(windows): change windowsphone platform to windows

fixes snapshot too

references #5565

gulpfile.js

@@ -397,7 +397,7 @@ gulp.task('e2e.build', function() {
   var platforms = [
     'android',
     'ios',
-    'wp'
+    'windows'
   ];
 
   // Get each test folder with gulp.src

ionic/components/modal/test/basic/index.ts

@@ -23,7 +23,7 @@ class E2EPage {
     console.log('tablet', platform.is('tablet'));
     console.log('ios', platform.is('ios'));
     console.log('android', platform.is('android'));
-    console.log('windows phone', platform.is('windowsphone'));
+    console.log('windows phone', platform.is('windows'));
 
     platform.ready().then(() => {
       console.log('platform.ready');

ionic/config/test/config.spec.ts

@@ -213,9 +213,9 @@ export function run() {
     expect(config.get('mode')).toEqual('ios');
   });
 
-  it('should get md mode for windowsphone platform', () => {
+  it('should get md mode for windows platform', () => {
     let config = new Config();
-    let platform = new Platform(['mobile', 'windowsphone']);
+    let platform = new Platform(['mobile', 'windows']);
     config.setPlatform(platform);
 
     expect(config.get('mode')).toEqual('md');

ionic/platform/registry.ts

@@ -137,7 +137,7 @@ Platform.register({
 
 
 Platform.register({
-  name: 'windowsphone',
+  name: 'windows',
   superset: 'mobile',
   subsets: [
     'phablet',
@@ -150,7 +150,7 @@ Platform.register({
     hoverCSS: false
   },
   isMatch(p: Platform): boolean {
-    return p.isPlatform('windowsphone', 'windows phone');
+    return p.isPlatform('windows', 'windows');
   },
   versionParser(p: Platform): any {
     return p.matchUserAgentVersion(/Windows Phone (\d+).(\d+)?/);