fix(package): align peer & JSPM dependencies with ng2 beta.0

Author: sebholstein

package.json

@@ -1,6 +1,6 @@
 {
   "name": "angular2-google-maps",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "description": "Angular2 components for Google Maps",
   "repository": {
     "type": "git",
@@ -22,12 +22,11 @@
     "angular2": "^2.0.0-beta.0",
     "es6-promise": "^3.0.2",
     "es6-shim": "^0.33.3",
-    "reflect-metadata": "0.1.2",
-    "rxjs": "5.0.0-alpha.14",
-    "zone.js": "0.5.8"
+    "reflect-metadata": "^0.1.2",
+    "rxjs": "^5.0.0-beta.0",
+    "zone.js": "^0.5.10"
   },
   "devDependencies": {
-    "@reactivex/rxjs": "5.0.0-alpha.10",
     "babel-eslint": "4.1.6",
     "del": "2.2.0",
     "eslint": "1.10.1",
@@ -55,7 +54,12 @@
   "jspm": {
     "jspmNodeConversion": false,
     "dependencies": {
-      "angular2": "2.0.0-alpha.46"
+      "angular2": "^2.0.0-beta.0",
+      "es6-promise": "^3.0.2",
+      "es6-shim": "^0.33.3",
+      "reflect-metadata": "^0.1.2",
+      "rxjs": "^5.0.0-beta.0",
+      "zone.js": "^0.5.10"
     }
   },
   "typescript": {