modify for cdh5 with Yarn

modify for running HiBench on Cdh5 with Yarn
modify scripts of some workloads:
bayes/bin/run.sh
bin/hibench-config.sh
hivebench/bin/run-aggregation.sh
hivebench/bin/run-join.sh
hivebench/hive-benchmark/rankings_uservisits_join.template
nutchindexing/bin/run.sh
sort/bin/prepare.sh
sort/bin/run.sh
wordcount/bin/prepare.sh
wordcount/bin/run.sh

add common/hive-0.12.0-bin and recompile mahout-0.7 for cdh5