chore(deps): revert angular version

Author: jgw96

package.json

@@ -25,18 +25,18 @@
     "link": "gulp release.prepareReleasePackage && cd dist/ionic-angular && npm link"
   },
   "dependencies": {
-    "@angular/common": "2.4.8",
-    "@angular/compiler": "2.4.8",
-    "@angular/compiler-cli": "2.4.8",
-    "@angular/core": "2.4.8",
-    "@angular/forms": "2.4.8",
-    "@angular/http": "2.4.8",
-    "@angular/platform-browser": "2.4.8",
-    "@angular/platform-browser-dynamic": "2.4.8",
-    "@angular/platform-server": "2.4.8",
+    "@angular/common": "2.2.1",
+    "@angular/compiler": "2.2.1",
+    "@angular/compiler-cli": "2.2.1",
+    "@angular/core": "2.2.1",
+    "@angular/forms": "2.2.1",
+    "@angular/http": "2.2.1",
+    "@angular/platform-browser": "2.2.1",
+    "@angular/platform-browser-dynamic": "2.2.1",
+    "@angular/platform-server": "2.2.1",
     "ionicons": "~3.0.0",
-    "rxjs": "5.1.1",
-    "zone.js": "~0.7.2"
+    "rxjs": "5.0.0-beta.12",
+    "zone.js": "~0.6.26"
   },
   "devDependencies": {
     "@ionic/app-scripts": "1.1.3",