Adding Java README (#1315)
Adding Java README (#1315)

* Adding Java README

* Addressing code reviews

deaktator/vowpal_wabbit,deaktator/vowpal_wabbit,deaktator/vowpal_wabbit,deaktator/vowpal_wabbit,deaktator/vowpal_wabbit,deaktator/vowpal_wabbit,deaktator/vowpal_wabbit,deaktator/vowpal_wabbit,deaktator/vowpal_wabbit,deaktator/vowpal_wabbit,deaktator/vowpal_wabbit