chore(travis): build off of angular 2.0.0-rc.5 (#2153)

Author: chalin

.travis.yml

@@ -10,7 +10,7 @@ env:
     - DBUS_SESSION_BUS_ADDRESS=/dev/null
     - DISPLAY=:99.0
     - CHROME_BIN=chromium-browser
-    - LATEST_RELEASE=2.0.0-rc.4
+    - LATEST_RELEASE=2.0.0-rc.5
     - TASK_FLAGS="--dgeni-log=warn"
     # - TASK_FLAGS=""
   matrix: