Added Google Play Services Library (YOU NEED TO DO THE SAME)

Instructions:
1. Get Google Play Services from the SDK (under Extras)
2. Import an Existing Android Project, choose
<android-sdk>/extras/google/google_play_services/libproject/google-play-services_lib/
as the directiory
3. Add only the google play services project
4. Right click umbcTours project, go to properties-library
5. Add the google play services library
6. Commit your changes to project.properties