Revert "Fixed dependency on java 7"

This reverts commit 67e74d36e53d0646b46f25d323c0f2e03f291c59.
Revert "Added oauth client"

This reverts commit 5c7e146487297978c498d91410f39c249d6e9e5b.
Updated to new snapshot version, because of the (reverted) changes that were already pushed