added date util method for gradle
added date util method for gradle

vilmospapp/jodd,oblac/jodd,mosoft521/jodd,mosoft521/jodd,mosoft521/jodd,vilmospapp/jodd,oblac/jodd,oblac/jodd,vilmospapp/jodd,mosoft521/jodd,vilmospapp/jodd,vilmospapp/jodd,oblac/jodd