use gradle wrapper on Travis
use gradle wrapper on Travis

betamaxteam/betamax,betamaxteam/betamax,dadoonet/betamax,dadoonet/betamax,nuxusr/walkman,felipecsl/walkman,felipecsl/okreplay,robfletcher/betamax,nuxusr/walkman,dadoonet/betamax,felipecsl/okreplay,georgecodes/betamax,felipecsl/walkman,georgecodes/betamax,georgecodes/betamax,robfletcher/betamax,nuxusr/walkman