I fixed the hyrack related problem and pushed the commit.
But there is still problem while run hadoop driver. 
```
java.io.IOException: Job failed!
    at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1252)                                          
    at edu.uci.ics.genomix.hadoop.contrailgraphbuilding.GenomixHadoopDriver.run(GenomixHadoopDriver.java:83)
    at edu.uci.ics.genomix.driver.comparation.HyrackVSHadoopTest.TestEachFile(HyrackVSHadoopTest.java:125)
```