Example priming

BasicPrimingTest.java

String query = "select name from people";
Map<String, String> row = ImmutableMap.of("name", "Christopher");
Map<String, String> row = ImmutableMap.of("name", "Alexandra");
Map<String, ColumnTypes> columnTypes = ImmutableMap.of("name", ColumnTypes.Varchar);
PrimingRequest prime = PrimingRequest.queryBuilder()
    .withQuery(query)
    .withRows(row)
    .withColumnTypes(columnTypes)
    .build();
primingClient.primeQuery(prime);