S08E06_IgorAndroidServices: cloned igor's code.  added lines to gradle build.
                         compile files('libs/support-v4.jar')
                         compile files('libs/appcompat-v7.jar')
                         compile 'com.squareup.okhttp:okhttp:2.0.0'
                         compile 'com.google.code.gson:gson:2.3'