How to compile project on Lab machines

If the project doesn't compile on lab machines due to a googlePlay services package error, here are steps to a potential solution.

1. Clone the repository into a new folder.

2. Navigate into the travelPlanner folder

3. run the following commands:

   git checkout . git checkout eb37fe7fde939b4e2c9965e305b7571d99933a94

4. This will pull another branch which has a working google package

5. In your regular workspace delete the current google play services lib package

6. Copy the same package in the newly cloned directory to your regular workspace

7. In eclipse run project --> clean

8. Delete TravelPlanner and TravelPlanner (not on disk) test and re-import

9. Follow the steps on the readme to ensure that the project is referencing the package correctly