chore(release): version bump (#6)

Author: davideast

package.json

@@ -1,6 +1,6 @@
 {
   "name": "angularfire2",
-  "version": "5.0.0-rc.0-fs.1",
+  "version": "5.0.0-rc.0",
   "description": "The official library of Firebase and Angular.",
   "private": true,
   "scripts": {
@@ -33,7 +33,7 @@
     "@angular/core": "^4.0.0",
     "@angular/platform-browser": "^4.0.0",
     "@angular/platform-browser-dynamic": "^4.0.0",
-    "firebase": "^4.0.0",
+    "firebase": "^4.5.0",
     "firestore": "file:firestore-module.tgz",
     "rxjs": "^5.0.1",
     "zone.js": "^0.8.0"