Fixes #31 by making sure that the support library repository is present when
trying to resolve dependencies on Play Services, without which an exception was
thrown causing the plugin to think that Play Services was always outdated. Also
updates tests to reflect this dependency and fail without the fix.
Fixes #31 by making sure that the support library repository is present when trying to resolve dependencies on Play Services, without which an exception was thrown causing the plugin to think that Play Services was always outdated. Also updates tests to reflect this dependency and fail without the fix.