Each user must define:
BASE_URL=http://
ANDROID_CLIENT_ID=000000-aaaaaaaa.apps.googleusercontent.com
WEB_APPLICATION_CLIENT_ID=100000-aaaaaaaa.apps.googleusercontent.com
GOOGLE_ID_TOKEN_SAMPLE=xxxxxxxxx.xxxxxx.xxxxxx
BAD_GOOGLE_ID_TOKEN=xxxxxxxxx.xxxxxx.xxxxxx